/* ─────────────────────────────────────────
   RSC TOOLS – Image Dimension Checker
   Premium Dark Glassmorphic UI
   ───────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --col-bg:        #f8fafc;  /* Clean Silver Canvas */
  --col-surface:   rgba(255,255,255,0.92); /* Solid frosted white frame for maximum text legibility */
  --col-border:    rgba(0,0,0,0.18); /* Pronounced, sharp borders */
  --col-border-h:  rgba(79,70,229,0.8); /* Stark indigo hover focus */
  --col-primary:   #4f46e5;
  --col-primary-l: #6366f1;
  --col-violet:    #8b5cf6;
  --col-accent:    #10b981;  
  --col-text:      #0f172a;  /* Very dark Slate for true striking contrast */
  --col-muted:     #475569;  /* Deeper slate for subtext (Slate 600) */
  --col-danger:    #ef4444;
  --col-success:   #10b981;
  --col-warn:      #f59e0b;
  --radius-sm:     10px;
  --radius-md:     16px;
  --radius-lg:     24px;
  --shadow-glow:   0 10px 30px rgba(0,0,0,0.06);
  --transition:    0.25s cubic-bezier(0.4,0,0.2,1);
  --font:          'Inter', system-ui, -apple-system, sans-serif;
}

/* ── Dark Mode Overrides (Vibrant & High Contrast) ── */
[data-theme="dark"] {
  --col-bg:        #09090b; /* True deep dark zinc for maximum color pop */
  --col-surface:   rgba(24, 24, 27, 0.75); /* Sleek glass surface */
  --col-border:    rgba(255, 255, 255, 0.08); /* Extremely subtle border */
  --col-border-h:  #3b82f6; /* Vibrant neon blue hover */
  --col-text:      #ffffff; /* Pure white for maximum readability */
  --col-muted:     #a1a1aa; /* Crisp bright gray for secondary text */
  --col-primary:   #3b82f6; /* Bright vibrant royal blue */
  --col-primary-l: #60a5fa; /* Neon light blue */
  --col-violet:    #a855f7; /* Vibrant neon purple */
  --col-accent:    #10b981; /* Glowing emerald green */
  --col-danger:    #ef4444; /* Bright red */
  --shadow-glow:   0 10px 40px rgba(59, 130, 246, 0.15); /* Colorful blue glow */
}

/* Beautiful vibrant glowing orbs for dark mode */
[data-theme="dark"] .orb-1 { background: radial-gradient(circle, #a855f7, transparent 70%); opacity: 0.25; }
[data-theme="dark"] .orb-2 { background: radial-gradient(circle, #3b82f6, transparent 70%); opacity: 0.25; }
[data-theme="dark"] .orb-3 { background: radial-gradient(circle, #10b981, transparent 70%); opacity: 0.25; }

/* Clear, highly readable inputs */
[data-theme="dark"] .form-control,
[data-theme="dark"] .custom-amt {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  color: #ffffff !important;
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .custom-amt:focus {
  background: rgba(255, 255, 255, 0.1) !important;
  border-color: #3b82f6 !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3) !important;
}
[data-theme="dark"] .form-control::placeholder {
  color: rgba(255, 255, 255, 0.35) !important;
}

/* Ensure secondary text in forms is also super readable */
[data-theme="dark"] .form-label,
[data-theme="dark"] .drop-sub,
[data-theme="dark"] .donation-tagline {
  color: #e4e4e7 !important; /* Brighter gray for perfect legibility */
}

[data-theme="dark"] .qr-container {
  background: #ffffff !important; /* Always white for scan readability */
}

/* Generated Invoice Card Dark Mode */
[data-theme="dark"] .generated-invoice-card {
  background: rgba(255, 255, 255, 0.05) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
}
[data-theme="dark"] .generated-invoice-card div {
  color: #d4d4d8 !important;
}
[data-theme="dark"] .generated-invoice-card strong,
[data-theme="dark"] .generated-invoice-card h4 {
  color: #ffffff !important;
}
[data-theme="dark"] .generated-invoice-card .card-total {
  color: #34d399 !important; /* Brighter emerald for total amount */
}

/* Notice Banners Dark Mode */
[data-theme="dark"] .notice-banner.violet {
  background: rgba(139, 92, 246, 0.15) !important;
  border-color: rgba(139, 92, 246, 0.3) !important;
}
[data-theme="dark"] .notice-banner.violet .notice-text,
[data-theme="dark"] .notice-banner.violet .notice-icon,
[data-theme="dark"] .notice-banner.violet .notice-close {
  color: #c4b5fd !important;
}
[data-theme="dark"] .notice-banner.violet .notice-text strong {
  color: #ddd6fe !important;
}

[data-theme="dark"] .notice-banner.green {
  background: rgba(16, 185, 129, 0.15) !important;
  border-color: rgba(16, 185, 129, 0.3) !important;
}
[data-theme="dark"] .notice-banner.green .notice-text,
[data-theme="dark"] .notice-banner.green .notice-icon,
[data-theme="dark"] .notice-banner.green .notice-close {
  color: #6ee7b7 !important;
}
[data-theme="dark"] .notice-banner.green .notice-text strong {
  color: #a7f3d0 !important;
}

/* Red Heart Icon Global Override */
.donation-icon svg {
  fill: #ef4444 !important;
  color: #ef4444 !important;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.4); border-radius: 99px; }

/* ── Base ── */
html { scroll-behavior: smooth; }

/* ── Premium Theme Toggle ── */
.theme-toggle {
  position: fixed;
  top: 2.5rem;
  right: 1.5rem;
  z-index: 9999;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--col-text);
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  border-color: var(--col-border-h);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
  position: absolute;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.theme-toggle .sun-icon {
  opacity: 0;
  transform: rotate(-90deg) scale(0.5);
  color: #f59e0b; /* Golden sun */
}
.theme-toggle .moon-icon {
  opacity: 1;
  transform: rotate(0) scale(1);
  color: #4f46e5; /* Deep indigo moon */
}
.theme-toggle.is-dark .sun-icon {
  opacity: 1;
  transform: rotate(0) scale(1);
}
.theme-toggle.is-dark .moon-icon {
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

body {
  font-family: var(--font);
  background: var(--col-bg);
  color: var(--col-text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* ── Animated Background Orbs ── */
.bg-orbs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.18;
  animation: orbFloat 12s ease-in-out infinite alternate;
  will-change: transform;
  transform: translateZ(0);
}
.orb-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle, #f59e0b, transparent 70%);
  top: -140px; left: -140px;
  animation-duration: 14s;
}
.orb-2 {
  width: 420px; height: 420px;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  bottom: -100px; right: -100px;
  animation-duration: 18s;
  animation-delay: -6s;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #10b981, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation-duration: 22s;
  animation-delay: -3s;
}
@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 20px) scale(1.08); }
}

/* ── Page Layout & Ad Sidebars ── */
.page-container {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: stretch;
  width: 100%;
  max-width: 100vw;
}

.ad-sidebar {
  display: none;
}

.ad-sticky {
  position: sticky;
  top: 2rem;
  height: 600px;
  background: rgba(0,0,0,0.02);
  border: 1px dashed rgba(0,0,0,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--col-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-align: center;
  transition: all var(--transition);
}

@media (min-width: 1024px) {
  .ad-sidebar {
    display: block;
    width: 120px;
    flex-shrink: 0;
    margin-top: 2rem;
  }
}

@media (min-width: 1366px) {
  .ad-sidebar {
    width: 160px;
  }
}

@media (min-width: 1600px) {
  .ad-sidebar {
    width: 300px;
  }
}

/* ── App Wrapper ── */
.app-wrapper {
  flex: 1;
  max-width: 1050px;
  min-width: 0;
  margin: 0;
  padding: 2rem 1.25rem 3rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Navigation ── */
.site-nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--col-border);
  padding-bottom: 1rem;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--col-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color var(--transition), border-bottom var(--transition);
  padding-bottom: 0.3rem;
  border-bottom: 2px solid transparent;
}
.nav-link:hover {
  color: var(--col-text);
}
.nav-link.active {
  color: var(--col-primary-l);
  border-bottom-color: var(--col-primary-l);
}

/* ── Header ── */
.site-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 2rem 0 1.5rem;
  text-align: center;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.logo-icon svg { display: block; }
.logo-text {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--col-text);
}
.logo-highlight {
  background: linear-gradient(135deg, var(--col-primary-l), var(--col-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tagline {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--col-muted);
}

/* ── Notice Banner ── */
.notice-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  margin-bottom: 2rem;
  animation: slideDown 0.4s ease forwards;
}

.notice-banner.violet {
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.4);
}
.notice-banner.violet .notice-icon, .notice-banner.violet .notice-close { color: #6d28d9; }
.notice-banner.violet .notice-text { color: #4c1d95; font-weight: 600; }
.notice-banner.violet .notice-text strong { color: #3b0764; }

.notice-banner.green {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
}
.notice-banner.green .notice-icon, .notice-banner.green .notice-close { color: #047857; }
.notice-banner.green .notice-text { color: #064e3b; font-weight: 600; }
.notice-banner.green .notice-text strong { color: #022c22; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}
.notice-icon {
  flex-shrink: 0;
  margin-top: 1px;
}
.notice-text {
  font-size: 0.85rem;
  line-height: 1.5;
  flex: 1;
}
.notice-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
  flex-shrink: 0;
  opacity: 0.8;
  transition: opacity var(--transition);
  line-height: 1;
}
.notice-close:hover { opacity: 1; }

/* ── Main Content ── */
.main-content { flex: 1; }

/* ── Upload Section ── */
.upload-section { margin-bottom: 2rem; }

.drop-zone {
  position: relative;
  border: 2px dashed var(--col-border);
  border-radius: var(--radius-lg);
  background: var(--col-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  outline: none;
}
.drop-zone:hover,
.drop-zone:focus {
  border-color: var(--col-border-h);
  background: rgba(99,102,241,0.06);
  box-shadow: var(--shadow-glow);
}
.drop-zone.drag-over {
  border-color: var(--col-primary);
  background: rgba(99,102,241,0.12);
  box-shadow: 0 0 60px rgba(99,102,241,0.25);
  transform: scale(1.01);
}
.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 2;
}
.drop-zone-inner {
  position: relative;
  z-index: 1;
  padding: 3.5rem 2rem;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}
.drop-icon {
  margin-bottom: 0.5rem;
  transition: transform var(--transition);
}
.drop-zone:hover .drop-icon,
.drop-zone.drag-over .drop-icon {
  transform: translateY(-6px) scale(1.06);
}
.drop-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--col-text);
}
.drop-sub {
  font-size: 0.92rem;
  color: var(--col-muted);
}
.browse-link {
  color: var(--col-primary-l);
  cursor: pointer;
  font-weight: 600;
  pointer-events: all;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.browse-link:hover { color: var(--col-accent); }

.drop-formats {
  font-size: 0.8rem; /* Slightly larger */
  color: #64748b; /* Stronger sub-text */
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
  font-weight: 500;
}
.upload-limit-badge {
  margin-top: 1rem;
  padding: 0.3rem 1rem;
  border-radius: 99px;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.25);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--col-primary-l);
  letter-spacing: 0.04em;
  pointer-events: none;
  transition: background var(--transition);
}
.upload-limit-badge.full {
  background: rgba(244,63,94,0.15);
  border-color: rgba(244,63,94,0.3);
  color: #fb7185;
}

/* ── Results Section ── */
.results-section { margin-top: 0.5rem; }

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  animation: fadeUp 0.3s ease forwards;
}
.results-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--col-text);
}
.clear-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(244,63,94,0.12);
  border: 1px solid rgba(244,63,94,0.25);
  color: #fb7185;
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.clear-btn:hover {
  background: rgba(244,63,94,0.22);
  border-color: rgba(244,63,94,0.5);
  transform: translateY(-1px);
}
.clear-btn:active { transform: translateY(0); }

/* ── Results Grid ── */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

/* ── Image Card ── */
.image-card {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  animation: cardIn 0.35s cubic-bezier(0.34,1.56,0.64,1) forwards;
  opacity: 0;
}
.image-card:hover {
  transform: translateY(-4px);
  border-color: var(--col-border-h);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35), 0 0 0 1px rgba(99,102,241,0.15);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(18px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Card Thumbnail ── */
.card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: rgba(0,0,0,0.03);
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.image-card:hover .card-thumb img { transform: scale(1.05); }

.card-type-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(255,255,255,0.85);
  border: 1px solid rgba(0,0,0,0.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--col-primary);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  text-transform: uppercase;
}
.card-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(244,63,94,0.75);
  border: none;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.75rem;
  line-height: 1;
  opacity: 0;
  transition: opacity var(--transition), background var(--transition), transform var(--transition);
}
.image-card:hover .card-remove { opacity: 1; }
.card-remove:hover { background: var(--col-danger); transform: scale(1.15); }

/* ── Card Body ── */
.card-body {
  padding: 0.9rem 1rem 1rem;
}
.card-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--col-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.65rem;
}

/* ── Dimension Display ── */
.card-dims {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 10px;
  padding: 0.55rem 0.8rem;
  margin-bottom: 0.6rem;
}
.card-dims-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}
.card-dims-icon {
  color: var(--col-primary-l);
  flex-shrink: 0;
}
.card-dims-value {
  font-size: 1.05rem;
  font-weight: 700;
  background: linear-gradient(135deg, #818cf8, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.02em;
}
.card-dims-px {
  font-size: 0.7rem;
  color: var(--col-muted);
  font-weight: 500;
  margin-left: auto;
}
.card-dims-extra {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-left: 1.8rem;
  border-top: 1px solid rgba(99,102,241,0.15);
  padding-top: 0.5rem;
}
.dim-item {
  display: flex;
  align-items: center;
  font-size: 0.85rem;
  color: var(--col-text);
  font-weight: 600;
}
.dim-val {
  letter-spacing: 0.02em;
}
.dim-unit {
  font-size: 0.7rem;
  color: var(--col-muted);
  font-weight: 500;
  margin-left: auto;
}

/* ── Card Meta Row ── */
.card-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--col-muted);
  background: rgba(0,0,0,0.03);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 6px;
  padding: 0.2rem 0.55rem;
}
.meta-chip svg { flex-shrink: 0; }

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 3rem 1rem 1.5rem;
  font-size: 0.85rem;
  color: var(--col-muted);
  border-top: 1px solid var(--col-border);
  margin-top: 4rem;
  font-weight: 500;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--col-text);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--col-primary-l);
}
.footer-socials {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.03);
  color: var(--col-text);
  transition: all var(--transition);
}
.footer-socials a svg {
  width: 20px;
  height: 20px;
}
.footer-socials a:hover {
  color: #fff;
  transform: translateY(-2px);
}
.footer-socials a[aria-label="Facebook"]:hover {
  background: #1877F2;
  box-shadow: 0 4px 12px rgba(24, 119, 242, 0.35);
}
.footer-socials a[aria-label="Instagram"]:hover {
  background: #E4405F;
  box-shadow: 0 4px 12px rgba(228, 64, 95, 0.35);
}
.footer-socials a[aria-label="WhatsApp"]:hover {
  background: #25D366;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.35);
}
.footer-copy {
  font-size: 0.8rem;
}
.site-footer strong { color: var(--col-text); }

/* ── Global Notification System ── */
#notificationContainer {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none; /* Let clicks pass through empty space */
}

.notification {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  min-width: 260px;
  max-width: 350px;
  transform: translateX(120%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease;
  border-left: 4px solid var(--col-primary);
}

.notification.show {
  transform: translateX(0);
  opacity: 1;
}

.notification.hide {
  transform: translateX(120%);
  opacity: 0;
}

.notify-icon svg {
  width: 22px;
  height: 22px;
}

.notify-message {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--col-text);
  line-height: 1.4;
}

/* Notification Types */
.notify-success { border-left-color: #10b981; }
.notify-success .notify-icon { color: #10b981; }

.notify-error { border-left-color: #ef4444; }
.notify-error .notify-icon { color: #ef4444; }

.notify-info { border-left-color: #3b82f6; }
.notify-info .notify-icon { color: #3b82f6; }

/* Dark Mode Overrides for Notifications */
[data-theme="dark"] .notification {
  background: rgba(30, 41, 59, 0.85);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Drag Overlay Text ── */
.drag-msg {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(99,102,241,0.15);
  border-radius: var(--radius-lg);
  pointer-events: none;
  z-index: 3;
  opacity: 0;
  transition: opacity 0.2s ease;
}
.drop-zone.drag-over .drag-msg { opacity: 1; }
.drag-msg-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--col-primary-l);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .app-wrapper { padding: 1.25rem 1rem 2.5rem; }
  .logo-text { font-size: 1.5rem; }
  .drop-zone-inner { padding: 2.5rem 1.25rem; }
  .drop-title { font-size: 1.1rem; }
  .results-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .card-dims-value { font-size: 0.9rem; }
}
@media (max-width: 400px) {
  .results-grid { grid-template-columns: 1fr; }
}

/* ── Forms (WhatsApp Generator) ── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  text-align: left;
}
.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--col-text);
}
.form-row {
  display: flex;
  gap: 0.75rem;
}
.form-control {
  background: #ffffff; /* pure white for inputs stands out aggressively */
  border: 2px solid rgba(0,0,0,0.12); /* Thicker form outlines */
  color: var(--col-text);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 1rem;
  outline: none;
  font-weight: 500; /* Bolder input text */
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-control:focus {
  border-color: var(--col-primary-l);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
  background: #ffffff;
}
.form-control::placeholder {
  color: rgba(148, 163, 184, 0.5);
}
textarea.form-control {
  resize: vertical;
  min-height: 100px;
}
.btn-primary {
  width: 100%;
  background: linear-gradient(135deg, var(--col-primary), var(--col-violet));
  color: #fff;
  border: none;
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  margin-top: 0.5rem;
  position: relative;
  overflow: hidden;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}
.btn-primary:active {
  transform: translateY(0);
}

/* ── Result Box (WhatsApp) ── */
.wa-result {
  background: var(--col-surface);
  border: 1px solid var(--col-border-h);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: fadeUp 0.4s ease forwards;
  display: none;
  margin-top: 1rem;
}
.wa-result.show {
  display: block;
}
.qr-container {
  background: #fff;
  padding: 1rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin: 1.5rem 0;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}
#qrcode img, #qrcode canvas {
  display: block;
  margin: 0 auto;
}
.link-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--col-border);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  margin-bottom: 2rem;
}
.link-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--col-primary-l);
  font-family: monospace;
  font-size: 0.85rem;
  outline: none;
}
.btn-copy {
  background: rgba(99, 102, 241, 0.2);
  color: var(--col-text);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  transition: background var(--transition);
}
.btn-copy:hover {
  background: rgba(99, 102, 241, 0.4);
}
.btn-sec {
  background: transparent;
  border: 2px solid rgba(0,0,0,0.15); /* Stronger secondary button outlines */
  color: var(--col-text);
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}
.btn-sec:hover {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.1);
}

/* ── Interest Calculator Layout ── */
.calc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 768px) {
  .calc-container {
    grid-template-columns: 1fr;
  }
}
.calc-panel {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.calc-result-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.chart-container {
  position: relative;
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1;
  margin: 1.5rem auto;
}
.result-stats {
  width: 100%;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.stat-box {
  background: transparent; /* Pushing to sheer line-art so labels contrast harder over white background */
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--col-muted);
  font-weight: 600;
}
.stat-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--col-text);
}
.stat-value.highlight {
  color: var(--col-primary-l);
  font-size: 1.35rem;
}
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1em;
  padding-right: 2.5rem;
  cursor: pointer;
}
select.form-control option {
  background: var(--col-bg);
  color: var(--col-text);
}
.toggle-group {
  display: flex;
  background: rgba(0,0,0,0.04);
  border-radius: var(--radius-sm);
  padding: 0.25rem;
  margin-bottom: 1.5rem;
}
.toggle-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--col-muted);
  padding: 0.6rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
}
.toggle-btn.active {
  background: var(--col-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}

/* ── Layout Twocol ── */
.layout-twocol {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}
.tool-column {
  flex: 1;
  min-width: 0;
}
.sidebar-column {
  width: 320px;
  flex-shrink: 0;
}
@media (max-width: 900px) {
  .layout-twocol { 
    flex-direction: column; 
    align-items: stretch;
  }
  .tool-column { width: 100%; }
  .sidebar-column { width: 100%; }
}

/* ── Donation Card ── */
.donation-card {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-glow);
}
.donation-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.donation-icon {
  background: rgba(236,72,153,0.15);
  color: #ec4899;
  padding: 0.5rem;
  border-radius: 50%;
  display: flex;
}
.donation-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--col-text);
}
.donation-tagline {
  font-size: 0.85rem;
  color: var(--col-muted);
  line-height: 1.5;
  margin-bottom: 1.5rem;
}
.amount-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.amt-btn {
  background: transparent;
  border: 2px solid rgba(0,0,0,0.1);
  color: var(--col-text);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}
.amt-btn:hover {
  background: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.2);
}
.amt-btn.active {
  background: var(--col-primary);
  border-color: var(--col-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(79,70,229,0.3);
}
.custom-amt {
  grid-column: span 3;
  padding: 0.6rem 0.8rem;
  background: #fff;
  border: 2px solid rgba(0,0,0,0.1);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--col-text);
  outline: none;
  transition: border-color var(--transition);
}
.custom-amt:focus {
  border-color: var(--col-primary-l);
}
.btn-donate {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 15px rgba(16,185,129,0.3);
}
.btn-donate:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16,185,129,0.4);
}

/* ── Invoice Generator Premium Template ── */
.invoice-paper {
  background: #ffffff;
  border: 1px solid #cbd5e1; /* Added printable area border */
  border-top: 15px solid #4f46e5; /* Premium accent border */
  padding: 50px 60px;
  color: #0f172a;
  width: 800px;
  max-width: 800px;
  min-height: 1120px; /* Reduced from 1131px to safely prevent empty extra pages */
  margin: 0; /* Strictly 0 to prevent desktop html2canvas offset bugs */
  position: relative;
  left: 0;
  top: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, sans-serif; /* Professional font */
}

/* Print specific styles for html2pdf */
.invoice-paper * {
  -webkit-print-color-adjust: exact !important;
  print-color-adjust: exact !important;
  box-sizing: border-box;
}

.inv-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 3rem;
}
.inv-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 55%;
  align-items: flex-start; /* Prevents the logo from stretching to flex container width */
}
.inv-logo-preview {
  max-width: 200px;
  max-height: 80px;
  object-fit: contain;
  margin-bottom: 0.5rem;
}
.inv-biz-name {
  font-size: 2rem;
  font-weight: 800;
  color: #1e293b;
  margin: 0;
  line-height: 1.2;
}
.inv-meta {
  text-align: right;
  max-width: 40%;
}
.inv-meta h1 {
  font-size: 3rem;
  font-weight: 800;
  color: #cbd5e1; /* Darkened slightly for perfect visibility */
  text-transform: uppercase;
  letter-spacing: 4px;
  margin: 0 0 1rem 0;
  line-height: 1;
}

.inv-meta-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: right;
  margin-top: 1rem;
}
.inv-meta-row {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  font-size: 0.95rem;
  align-items: center;
}
.inv-meta-row span:first-child {
  color: #64748b;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}
.inv-meta-row span:last-child {
  color: #0f172a;
  font-weight: 700;
}

.inv-details-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  padding-top: 1.5rem;
  border-top: 2px solid #f1f5f9;
}
.inv-bill-to h3 {
  font-size: 0.85rem;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.inv-bill-to p {
  font-size: 1.2rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 0.25rem 0;
}

.inv-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 3rem;
  font-size: 0.95rem;
  table-layout: fixed; /* Strictly control column widths */
}
.inv-table th {
  background: #eef2ff; /* Colorful premium table header */
  color: #4f46e5; /* Indigo brand text */
  text-align: left;
  padding: 14px 16px;
  font-weight: 800;
  border-bottom: 2px solid #c7d2fe;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}
.inv-table th:nth-child(1) { width: 50%; } /* Description gets half */
.inv-table th:nth-child(2) { width: 15%; text-align: right; } /* Rate */
.inv-table th:nth-child(3) { width: 15%; text-align: center; } /* Qty */
.inv-table th:nth-child(4) { width: 20%; text-align: right; } /* Amount */

.inv-table td {
  padding: 16px;
  border-bottom: 1px solid #f1f5f9;
  color: #1e293b;
  vertical-align: top;
}
.inv-table td:nth-child(1) {
  word-wrap: break-word;
  white-space: pre-wrap; /* Preserve spaces and wrap long lines */
  font-weight: 500;
}
.inv-table td:nth-child(2) { text-align: right; }
.inv-table td:nth-child(3) { text-align: center; }
.inv-table td:nth-child(4) { text-align: right; font-weight: 600; }

.inv-footer-flex {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.inv-notes {
  max-width: 45%;
  font-size: 0.85rem;
  color: #64748b;
  line-height: 1.5;
}

.inv-summary {
  width: 350px;
  background: #eef2ff; /* Colourful box */
  border: 1px solid #c7d2fe;
  border-radius: 8px;
  padding: 1.5rem;
}
.inv-summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.8rem;
  font-size: 1rem;
  color: #475569;
}
.inv-summary-row.total {
  font-weight: 800;
  font-size: 1.4rem;
  color: #4f46e5;
  border-top: 2px solid #c7d2fe;
  padding-top: 1rem;
  margin-top: 0.5rem;
}
.item-row {
  display: grid;
  grid-template-columns: 3fr 2fr 80px 32px;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}
.item-row input {
  width: 100%;
  min-width: 0;
  padding: 0.4rem 0.6rem;
  font-size: 0.9rem;
}
.btn-del {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.btn-del:hover {
  background: #ef4444;
  color: #fff;
}

.form-control.error-border {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

/* Generated Target Cards */
.generated-invoice-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  transition: all 0.2s;
}
.generated-invoice-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  border-color: var(--col-primary-l);
}
.card-meta h4 {
  margin: 0 0 0.2rem 0;
  color: var(--col-primary-d);
  font-size: 1.1rem;
}
.card-meta p {
  margin: 0;
  font-size: 0.9rem;
  color: #64748b;
}
.card-total {
  margin-top: 0.4rem;
  font-weight: 700;
  color: #10b981;
}
.btn-dl {
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
}

/* ─────────────────────────────────────────
   Premium Mobile UI Overrides
   ───────────────────────────────────────── */
@media (max-width: 640px) {
  /* 1. Spatial Breathing Room */
  .calc-panel, .wa-result {
    padding: 1.25rem !important;
  }
  
  /* 2. Form Inputs Stacking */
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  .form-row .form-group {
    width: 100% !important;
  }
  
  /* 3. Safe Navigation */
  .site-nav {
    flex-wrap: wrap;
    padding: 0 1rem 1rem;
  }
  
  /* 4. Invoice Item "Card" Stacking (Perfect Touch Grid) */
  .item-row {
    display: grid !important;
    grid-template-columns: 1fr 1fr 40px;
    grid-template-areas:
      "name name del"
      "price qty .";
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.02);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(0, 0, 0, 0.08);
    align-items: center;
  }
  .item-row input[data-field="name"] {
    grid-area: name;
    width: 100%;
    margin: 0;
  }
  .item-row .btn-del {
    grid-area: del;
    width: 40px;
    height: 40px;
    margin: 0;
    justify-self: end;
    border-radius: 8px;
  }
  .item-row input[data-field="price"] {
    grid-area: price;
    width: 100%;
    margin: 0;
  }
  .item-row input[data-field="qty"] {
    grid-area: qty;
    width: 100%;
    margin: 0;
  }
}

/* ─────────────────────────────────────────
   Targeted Micro-Screen Clamp (414px to 375px)
   ───────────────────────────────────────── */
@media (max-width: 415px) {
  /* Prevent horizontal flex bleed on strict iPhone widths */
  .app-wrapper {
    padding: 0.8rem 0.6rem 2rem !important;
  }
  .drop-zone {
    padding: 1.5rem 1rem !important;
  }
  .drop-zone-inner {
    padding: 1.5rem 0.5rem !important;
  }
  .calc-panel, .wa-result {
    padding: 1rem 0.8rem !important;
  }
  .form-control {
    font-size: 0.95rem;
    padding: 0.7rem 0.8rem;
  }
  .item-row {
    padding: 0.6rem !important;
    gap: 0.5rem !important;
    grid-template-columns: 1fr 1fr 36px !important;
  }
  .item-row .btn-del {
    width: 36px !important;
    height: 36px !important;
  }
  .logo-text {
    font-size: 1.3rem !important;
  }
  .nav-link {
    font-size: 0.85rem !important;
  }
}

/* ─────────────────────────────────────────
   Mobile Visual Polish (Centering & Anti-Framing)
   ───────────────────────────────────────── */
@media (max-width: 640px) {
  /* Strip excessive inline padding from the invoice forms wrapper */
  .upload-section {
    padding: 1.25rem 0 !important; 
  }
  .form-control {
    border-width: 1.5px;
    text-align: center;
  }
  .form-label {
    text-align: center;
    display: block;
    width: 100%;
  }
  /* Align labels perfectly center */
  .form-group > label {
    justify-content: center;
  }
}

@media (max-width: 415px) {
  .upload-section {
    padding: 1rem 0 !important;
  }
  .form-control {
    border-width: 1px;
    padding: 0.65rem;
  }
  .form-row {
    margin-bottom: 0.8rem;
  }
}