/* ========== THEME VARIABLES ========== */
:root {
  --bg: #1f1f1f;
  --bg-gradient: linear-gradient(180deg, #1a1a1a, #2a2a2a);
  --card: #2b2b2b;
  --muted: #b0b0b0;
  --text: #f3f3f3;
  --primary: #4f7cff;
  --danger: #ff4d4d;
  --border: rgba(255,255,255,.10);
  --shadow: 0 10px 30px rgba(0,0,0,.25);
}

body.light {
  --bg: #e9e9e9;
  --bg-gradient: linear-gradient(180deg, #f1f1f1, #e2e2e2);
  --card: #ffffff;
  --muted: #666;
  --text: #222;
  --primary: #4f7cff;
  --danger: #e53935;
  --border: rgba(0,0,0,.10);
  --shadow: 0 10px 30px rgba(0,0,0,.08);
}

/* ========== BASE ========== */
body {
  margin: 0;
  font-family: tahoma, Arial, sans-serif;
  background: var(--bg-gradient);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 1rem; /* کمتر برای موبایل */
}

@media (min-width: 768px) {
  .container {
    padding: 1.5rem;
  }
}

/* TOPBAR */
.topbar {
  position: sticky;
  top: 0;
  background: rgba(20,20,20,.55);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

body.light .topbar {
  background: rgba(245,245,245,.65);
}

.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  font-weight: 800;
  font-size: clamp(1.4rem, 5vw, 1.8rem);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  padding: 0.5rem 0.75rem;
  border-radius: 0.625rem;
  text-decoration: none;
  color: var(--muted);
  font-size: clamp(0.9rem, 3.5vw, 1rem);
  transition: all 0.2s;
}

.nav a:hover {
  background: rgba(255,255,255,.06);
  color: var(--text);
}

body.light .nav a:hover {
  background: rgba(0,0,0,.05);
}

.nav a.active {
  background: rgba(79,124,255,.18);
  color: var(--text);
  border: 1px solid rgba(79,124,255,.25);
}

/* CARD */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.25rem;
  margin: 1rem 0;
  box-shadow: var(--shadow);
}

/* BUTTONS & INPUT */
.input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text);
  font-size: 1rem;
}

body.light .input {
  background: rgba(0,0,0,.03);
}

.btn,
.btn-orange {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 0.75rem;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 48px; /* حداقل اندازه لمسی */
  touch-action: manipulation;
}

.btn {
  background: var(--primary);
  color: #fff;
  border: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-orange {
  background: rgba(255,255,255,.06);
  color: #ff9800;
  border: 1px solid var(--border);
}

.btn-orange:hover {
  background: #ff9800;
  color: #fff;
  box-shadow: 0 8px 20px rgba(255,152,0,.35);
}

/* HERO - مهم‌ترین بخش */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1.2fr 0.8fr;
    margin: 3rem 0;
    padding: 0;
  }
}

.hero .cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (min-width: 640px) {
  .hero .cta {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

.h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 6vw, 2.5rem);
  line-height: 1.3;
}

.lead {
  color: var(--muted);
  font-size: clamp(1rem, 3.5vw, 1.125rem);
  line-height: 1.7;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* SEARCH ROW */
.search-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .search-row {
    flex-direction: row;
    align-items: center;
  }
  
  .search-row .input {
    flex: 1;
    min-width: 240px;
  }
}

/* ADMIN ITEM */
.admin-item {
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
}

.admin-item-actions {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-start;
}

@media (min-width: 768px) {
  .admin-item {
    flex-direction: row;
    align-items: center;
  }
  
  .admin-item-actions {
    flex-direction: column;
    min-width: 160px;
    align-items: stretch;
  }
}

/* فاصله‌ها در موبایل */
@media (max-width: 640px) {
  .container { padding: 0.75rem; }
  .card { padding: 1rem; margin: 0.75rem 0; }
  .btn, .btn-orange { padding: 0.625rem 1rem; font-size: 0.95rem; }
  .h1 { margin-top: 1rem; }
  .small { font-size: 0.8125rem; line-height: 1.6; }
}