/* =============================================
   ToolBox — Modern Design System v2.0
   ============================================= */

/* ---------- Design Tokens ---------- */
:root {
  --clr-primary:       #5b5bd6;
  --clr-primary-dark:  #4338ca;
  --clr-primary-light: #818cf8;
  --clr-primary-glow:  rgba(91,91,214,.12);
  --clr-secondary:     #7c3aed;
  --clr-accent:        #0891b2;
  --clr-success:       #059669;
  --clr-warning:       #d97706;
  --clr-danger:        #dc2626;

  --surface-bg:   #f4f6f9;
  --surface-1:    #ffffff;
  --surface-2:    #f8fafc;
  --surface-3:    #f1f5f9;

  --text-1:  #0d1117;
  --text-2:  #4a5568;
  --text-3:  #9aa5b4;

  --border:       #e4e9f0;
  --border-focus: var(--clr-primary);

  --shadow-sm: 0 1px 3px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.03);
  --shadow-md: 0 4px 16px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg: 0 16px 40px rgba(0,0,0,.09), 0 4px 8px rgba(0,0,0,.04);
  --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 1px 8px rgba(0,0,0,.03);
  --shadow-card-hover: 0 0 0 1.5px var(--clr-primary), 0 8px 28px rgba(91,91,214,.16);

  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius:    14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --ease: cubic-bezier(.4,0,.2,1);
  --dur:  .18s;
  --dur-slow: .32s;

  --header-h: 64px;
}

/* Dark Mode */
[data-theme="dark"] {
  --surface-bg: #0d1117;
  --surface-1:  #161b22;
  --surface-2:  #0d1117;
  --surface-3:  #1c2128;
  --text-1:     #e6edf3;
  --text-2:     #8b949e;
  --text-3:     #484f58;
  --border:     #30363d;
  --shadow-card: 0 1px 3px rgba(0,0,0,.4), 0 1px 8px rgba(0,0,0,.3);
  --shadow-card-hover: 0 0 0 1.5px var(--clr-primary), 0 8px 28px rgba(91,91,214,.22);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--surface-bg);
  color: var(--text-1);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background var(--dur-slow) var(--ease), color var(--dur-slow) var(--ease);
}

img { max-width: 100%; display: block; }
a   { color: inherit; }

/* ---------- HEADER ---------- */
header {
  height: var(--header-h);
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 200;
  transition: background var(--dur-slow) var(--ease);
  box-shadow: 0 1px 0 var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

[data-theme="dark"] header {
  background: rgba(22,27,34,.92);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--clr-primary);
  letter-spacing: -.5px;
  flex-shrink: 0;
}

.logo-img {
  height: 29px;
  width: auto;
  display: block;
}


.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 12px var(--clr-primary-glow);
}

nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

nav a {
  text-decoration: none;
  color: var(--text-2);
  font-size: .875rem;
  font-weight: 500;
  padding: 7px 13px;
  border-radius: var(--radius-sm);
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}

nav a:hover  { color: var(--clr-primary); background: var(--clr-primary-glow); }
nav a.active { color: var(--clr-primary); background: var(--clr-primary-glow); font-weight: 600; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--dur) var(--ease);
  color: var(--text-2);
  flex-shrink: 0;
}

.icon-btn:hover {
  background: var(--clr-primary-glow);
  border-color: var(--clr-primary-light);
  color: var(--clr-primary);
}

.nav-toggle { display: none; }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
}

.mobile-nav.open { display: flex; }

.mobile-nav-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.5);
  backdrop-filter: blur(4px);
}

.mobile-nav-drawer {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 280px;
  background: var(--surface-1);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  box-shadow: -8px 0 32px rgba(0,0,0,.2);
}

.mobile-nav-drawer a {
  text-decoration: none;
  color: var(--text-2);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: .95rem;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all var(--dur) var(--ease);
}

.mobile-nav-drawer a:hover  { background: var(--surface-2); color: var(--clr-primary); }
.mobile-nav-drawer a.active { background: var(--clr-primary-glow); color: var(--clr-primary); }

.mobile-nav-close {
  align-self: flex-end;
  margin-bottom: 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-2);
}

/* ---------- HERO ---------- */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero {
  background: linear-gradient(-45deg, #0f0c29, #302b63, #1a1a4e, #24243e);
  background-size: 400% 400%;
  animation: gradientShift 20s ease infinite;
  color: #fff;
  padding: 80px 20px 96px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(91,91,214,.25) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(8,145,178,.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Ccircle cx='20' cy='20' r='1'/%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}

.hero-content { position: relative; max-width: 700px; margin: 0 auto; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-full);
  padding: 5px 14px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .3px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1.5px;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}

.hero p {
  font-size: 1.05rem;
  opacity: .82;
  max-width: 500px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-search {
  display: flex;
  max-width: 520px;
  margin: 0 auto;
  background: rgba(255,255,255,.14);
  border: 1.5px solid rgba(255,255,255,.3);
  border-radius: var(--radius-full);
  overflow: hidden;
  backdrop-filter: blur(12px);
  transition: border-color var(--dur) var(--ease);
}

.hero-search:focus-within {
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.18);
}

.hero-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 15px 22px;
  color: #fff;
  font-size: 1rem;
  font-family: inherit;
}

.hero-search input::placeholder { color: rgba(255,255,255,.6); }

.hero-search button {
  background: rgba(255,255,255,.18);
  border: none;
  padding: 15px 22px;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background var(--dur) var(--ease);
  border-left: 1px solid rgba(255,255,255,.2);
}

.hero-search button:hover { background: rgba(255,255,255,.32); }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-stat { opacity: .85; text-align: center; }
.hero-stat strong { display: block; font-size: 1.4rem; font-weight: 800; }
.hero-stat span { font-size: .8rem; opacity: .8; }

/* ---------- MAIN / WRAPPER ---------- */
main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  width: 100%;
}

/* ---------- CATEGORY FILTER ---------- */
.category-wrap {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.cat-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border);
  background: var(--surface-1);
  color: var(--text-2);
  font-size: .86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}

.cat-btn:hover {
  border-color: var(--clr-primary-light);
  color: var(--clr-primary);
  background: var(--clr-primary-glow);
}

.cat-btn.active {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
  box-shadow: 0 4px 12px var(--clr-primary-glow);
}

.cat-btn .cnt {
  background: rgba(255,255,255,.25);
  border-radius: var(--radius-full);
  font-size: .72rem;
  padding: 1px 7px;
  font-weight: 700;
}

.cat-btn:not(.active) .cnt {
  background: var(--surface-2);
  color: var(--text-3);
}

/* ---------- SECTION HEADING ---------- */
.section-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  margin-top: 40px;
}

.section-heading:first-child { margin-top: 0; }

.section-heading h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-1);
}

.section-badge {
  background: var(--clr-primary-glow);
  color: var(--clr-primary);
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  letter-spacing: .3px;
}

/* ---------- TOOLS GRID ---------- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.tool-card {
  background: var(--surface-1);
  border-radius: var(--radius);
  padding: 22px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease), border-color var(--dur-slow) var(--ease);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(91,91,214,.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
  pointer-events: none;
}

.tool-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.tool-card:hover::before { opacity: 1; }

.tool-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.tool-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  line-height: 1.3;
}

.tool-card p {
  font-size: .83rem;
  color: var(--text-2);
  line-height: 1.55;
  flex: 1;
}

.tool-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.tool-badge {
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  background: var(--surface-2);
  color: var(--text-3);
  letter-spacing: .2px;
}

.tool-arrow {
  color: var(--clr-primary);
  font-size: .8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 3px;
  opacity: 0;
  transform: translateX(-4px);
  transition: all var(--dur) var(--ease);
}

.tool-card:hover .tool-arrow {
  opacity: 1;
  transform: translateX(0);
}

.tool-card.coming-soon {
  opacity: .65;
  cursor: default;
  pointer-events: none;
}

/* ---------- AD UNITS ---------- */
.ad-unit {
  background: var(--surface-2);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.ad-label {
  position: absolute;
  top: 5px;
  left: 10px;
  font-size: .6rem;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-3);
  font-weight: 600;
}

.ad-top    { width: 100%; min-height: 90px;  margin-bottom: 32px; }
.ad-mid    { width: 100%; min-height: 90px;  margin: 32px 0; }
.ad-rect   { width: 100%; min-height: 250px; }

/* ---------- TOOL PAGE LAYOUT ---------- */
.tool-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 28px;
  align-items: start;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: calc(var(--header-h) + 20px);
}

/* ---------- BREADCRUMB ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: .82rem;
  color: var(--text-3);
}

.breadcrumb a {
  color: var(--clr-primary);
  text-decoration: none;
  font-weight: 500;
}

.breadcrumb a:hover { text-decoration: underline; }

/* ---------- TOOL BOX (content card) ---------- */
.tool-box {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}

.tool-box:last-child { margin-bottom: 0; }

.tool-box-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.tool-box-header h1 {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
  color: var(--text-1);
}

.tool-box-header p {
  color: var(--text-2);
  font-size: .95rem;
}

.tool-box h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 14px;
}

.tool-box h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 12px;
}

/* ---------- FORM ELEMENTS ---------- */
.form-group { margin-bottom: 18px; }
.form-group:last-child { margin-bottom: 0; }

label {
  display: block;
  font-size: .83rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 7px;
}

textarea,
input[type="text"],
input[type="number"],
input[type="url"],
select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  font-family: inherit;
  color: var(--text-1);
  background: var(--surface-2);
  outline: none;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
  appearance: none;
  -webkit-appearance: none;
}

textarea:focus,
input[type="text"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
select:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow);
  background: var(--surface-1);
}

textarea {
  resize: vertical;
  min-height: 180px;
  line-height: 1.65;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--clr-primary);
  height: 5px;
  margin: 8px 0;
  cursor: pointer;
}

input[type="color"] {
  width: 44px;
  height: 40px;
  padding: 2px;
  border-radius: var(--radius-xs);
  border: 1.5px solid var(--border);
  cursor: pointer;
  background: var(--surface-2);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2394a3b8' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

/* ---------- CHECKBOXES & SWITCHES ---------- */
.checkbox-group { display: flex; flex-direction: column; gap: 10px; }

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: var(--text-1);
  cursor: pointer;
  user-select: none;
}

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--clr-primary);
  cursor: pointer;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--dur) var(--ease);
  text-decoration: none;
  white-space: nowrap;
  font-family: inherit;
  line-height: 1;
}

.btn:active { transform: scale(.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-secondary) 100%);
  color: #fff;
  box-shadow: 0 2px 8px rgba(91,91,214,.25);
  border-color: transparent;
}

.btn-primary:hover {
  box-shadow: 0 4px 18px rgba(91,91,214,.38);
  filter: brightness(1.08);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border-color: var(--clr-primary-light);
}

.btn-outline:hover {
  background: var(--clr-primary-glow);
  border-color: var(--clr-primary);
}

.btn-ghost {
  background: var(--surface-2);
  color: var(--text-2);
  border-color: var(--border);
}

.btn-ghost:hover { background: var(--surface-3); color: var(--text-1); }

.btn-danger  { background: #fee2e2; color: var(--clr-danger);  border-color: #fca5a5; }
.btn-danger:hover  { background: #fecaca; }

.btn-success { background: var(--clr-success); color: #fff; border-color: transparent; box-shadow: 0 2px 8px rgba(5,150,105,.25); }
.btn-success:hover { filter: brightness(1.08); box-shadow: 0 4px 16px rgba(5,150,105,.35); }

.btn-sm { padding: 7px 14px; font-size: .82rem; }
.btn-lg { padding: 13px 28px; font-size: 1rem; }
.btn-full { width: 100%; }

.btn-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* ---------- STATS GRID ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 12px;
  text-align: center;
}

.stat-val {
  display: block;
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--clr-primary);
  line-height: 1.1;
}

.stat-lbl {
  font-size: .7rem;
  color: var(--text-3);
  font-weight: 500;
  margin-top: 3px;
  display: block;
}

/* ---------- RESULT BOX ---------- */
.result-box {
  background: linear-gradient(135deg, var(--clr-primary-glow), rgba(6,182,212,.08));
  border: 1.5px solid var(--clr-primary-light);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-primary);
  text-align: center;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  word-break: break-all;
  margin: 14px 0;
}

/* ---------- PASSWORD OUTPUT ---------- */
.password-output {
  display: flex;
  gap: 8px;
  margin: 12px 0;
}

.password-output input {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 1px;
  background: var(--surface-1);
}

/* ---------- STRENGTH METER ---------- */
.strength-meter { margin: 10px 0 18px; }

.strength-track {
  height: 7px;
  background: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 6px;
}

.strength-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width .45s var(--ease), background .45s var(--ease);
}

.strength-label { font-size: .8rem; font-weight: 700; }

/* ---------- FILE DROP ZONE ---------- */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  background: var(--surface-2);
  position: relative;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--clr-primary);
  background: var(--clr-primary-glow);
}

.drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.drop-icon { font-size: 2.5rem; margin-bottom: 12px; }
.drop-text { font-size: .95rem; color: var(--text-2); }
.drop-text strong { color: var(--clr-primary); }
.drop-hint { font-size: .78rem; color: var(--text-3); margin-top: 4px; }

/* ---------- PROGRESS BAR ---------- */
.progress-wrap {
  height: 8px;
  background: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 12px 0;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-full);
  transition: width .4s var(--ease);
}

/* ---------- TABS ---------- */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.tab-btn {
  flex: 1;
  min-width: 70px;
  padding: 8px 14px;
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: .86rem;
  font-weight: 600;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  font-family: inherit;
}

.tab-btn.active {
  background: var(--surface-1);
  color: var(--clr-primary);
  box-shadow: 0 1px 4px rgba(0,0,0,.1);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ---------- CONVERTER ROW ---------- */
.converter-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: end;
  margin-bottom: 14px;
}

.converter-arrow-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--clr-primary-glow);
  border: 1.5px solid var(--clr-primary-light);
  color: var(--clr-primary);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur) var(--ease);
  margin-bottom: 0;
  flex-shrink: 0;
  font-family: inherit;
}

.converter-arrow-btn:hover {
  background: var(--clr-primary);
  color: #fff;
  transform: rotate(180deg);
}

/* ---------- IMAGE PREVIEW GRID ---------- */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.image-thumb {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.image-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-thumb-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  background: rgba(0,0,0,.6);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: .75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- SIZE COMPARISON ---------- */
.size-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  margin: 16px 0;
}

.size-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}

.size-box .label { font-size: .72rem; font-weight: 600; color: var(--text-3); margin-bottom: 4px; }
.size-box .value { font-size: 1.2rem; font-weight: 800; color: var(--text-1); }
.size-box.saved .value { color: var(--clr-success); }

.size-arrow { color: var(--text-3); font-size: 1.2rem; text-align: center; }

.savings-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #d1fae5;
  color: var(--clr-success);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: .85rem;
  font-weight: 700;
  margin: 4px 0 12px;
}

/* ---------- FONT CHANGER OUTPUT ---------- */
.font-output-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.font-output-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  position: relative;
}

.font-output-card:hover {
  border-color: var(--clr-primary);
  background: var(--clr-primary-glow);
}

.font-output-label {
  font-size: .7rem;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: .4px;
  margin-bottom: 8px;
}

.font-output-text {
  font-size: 1.05rem;
  color: var(--text-1);
  word-break: break-all;
  line-height: 1.5;
  min-height: 28px;
}

.font-copy-hint {
  font-size: .68rem;
  color: var(--clr-primary);
  font-weight: 600;
  margin-top: 6px;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}

.font-output-card:hover .font-copy-hint { opacity: 1; }

/* ---------- QR CODE ---------- */
.qr-display {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 16px 0;
  min-height: 200px;
}

/* ---------- ALERTS / TOASTS ---------- */
.alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  margin: 12px 0;
}

.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-danger  { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* Toast notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: .875rem;
  color: var(--text-1);
  min-width: 240px;
  max-width: 360px;
  animation: toastIn .3s var(--ease);
}

.toast.leaving { animation: toastOut .3s var(--ease) forwards; }
.toast-icon { font-size: 1.1rem; }
.toast-msg { font-weight: 500; }

@keyframes toastIn  { from { opacity:0; transform: translateY(16px) scale(.95); } to { opacity:1; transform: none; } }
@keyframes toastOut { from { opacity:1; transform: none; } to { opacity:0; transform: translateY(8px) scale(.95); } }

/* ---------- RELATED TOOLS SIDEBAR WIDGET ---------- */
.related-tools { display: flex; flex-direction: column; gap: 8px; }

.related-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: all var(--dur) var(--ease);
  background: var(--surface-1);
}

.related-item:hover {
  border-color: var(--clr-primary-light);
  background: var(--clr-primary-glow);
}

.related-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .95rem;
  flex-shrink: 0;
}

.related-item-text strong { font-size: .85rem; font-weight: 600; color: var(--text-1); display: block; }
.related-item-text span  { font-size: .75rem; color: var(--text-3); }

/* ---------- TIPS LIST ---------- */
.tips-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tips-list li {
  display: flex;
  gap: 10px;
  font-size: .875rem;
  color: var(--text-2);
  align-items: flex-start;
}

.tips-list li::before {
  content: '✦';
  color: var(--clr-primary);
  font-size: .65rem;
  margin-top: 4px;
  flex-shrink: 0;
}

/* ---------- FOOTER ---------- */
footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 48px 20px 24px;
  margin-top: auto;
}

.footer-inner { max-width: 1200px; margin: 0 auto; }

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}

.footer-brand .logo { color: #fff; margin-bottom: 12px; display: inline-flex; }
.footer-brand p { font-size: .85rem; line-height: 1.7; max-width: 260px; }

.footer-col h4 { color: #e2e8f0; font-size: .85rem; font-weight: 700; margin-bottom: 16px; letter-spacing: .3px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }

.footer-col a {
  color: #94a3b8;
  text-decoration: none;
  font-size: .85rem;
  transition: color var(--dur) var(--ease);
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .78rem;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-links { display: flex; gap: 20px; }
.footer-links a { color: #64748b; text-decoration: none; transition: color var(--dur) var(--ease); }
.footer-links a:hover { color: #fff; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .tool-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  nav { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  .hero { padding: 48px 16px 64px; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 20px; }
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
  .tool-box { padding: 20px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .converter-row { grid-template-columns: 1fr; }
  .converter-arrow-btn { transform: rotate(90deg); align-self: center; }
  .font-output-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .toast-container { bottom: 12px; right: 12px; left: 12px; }
  .toast { min-width: unset; }
}

@media (max-width: 400px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- DOWNLOAD DELAY MODAL ---------- */
@keyframes dlFadeIn  { from { opacity:0; } to { opacity:1; } }
@keyframes dlSlideUp { from { opacity:0; transform: translateY(28px) scale(.96); } to { opacity:1; transform: none; } }
@keyframes dlFadeOut { from { opacity:1; } to { opacity:0; } }
@keyframes dlSpin    { to { transform: rotate(360deg); } }

.dl-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,17,23,.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: dlFadeIn .22s var(--ease);
}

.dl-overlay.dl-overlay-out { animation: dlFadeOut .35s var(--ease) forwards; }

.dl-modal {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 32px 80px rgba(0,0,0,.24), 0 8px 24px rgba(0,0,0,.14);
  animation: dlSlideUp .28s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.dl-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.dl-spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--clr-primary);
  border-radius: 50%;
  animation: dlSpin .75s linear infinite;
  flex-shrink: 0;
}

.dl-info { flex: 1; }

.dl-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin: 0 0 3px;
}

.dl-sub {
  font-size: .8rem;
  color: var(--text-3);
  margin: 0;
}

.dl-progress-track {
  height: 5px;
  background: var(--surface-3);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.dl-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-full);
  transition: width .1s linear;
}

.dl-countdown {
  text-align: center;
  font-size: .84rem;
  color: var(--text-2);
  margin: -4px 0;
}

.dl-countdown strong {
  color: var(--clr-primary);
  font-size: 1rem;
  font-weight: 800;
}

.dl-ad-wrap {
  background: var(--surface-2);
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px 12px;
  min-height: 130px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.dl-ad-lbl {
  font-size: .58rem;
  text-transform: uppercase;
  letter-spacing: .6px;
  color: var(--text-3);
  font-weight: 600;
  margin-bottom: 6px;
}

@media (max-width: 480px) {
  .dl-modal { padding: 24px 18px 20px; }
  .dl-spinner { width: 36px; height: 36px; }
}

/* ---------- MODERN REFINEMENTS ---------- */

/* Refined tool-box */
.tool-box {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}

/* Section heading line accent */
.section-heading::before {
  content: '';
  display: block;
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* Refined hero badge */
.hero-badge {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(12px);
}

/* More refined footer */
footer { background: #080c12; }

/* Stat card refinement */
.stat-card {
  background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface-1) 100%);
}