/* =============================================
   Arad Web Co - Creative Tech Theme
   سبز + کرم | خلاقانه | تکنولوژیک | روشن
   ============================================= */

:root {
    --bg-primary: #faf8f5;
    --bg-secondary: #f0ede8;
    --bg-card: #ffffff;
    --green-dark: #1a4731;
    --green-mid: #2d6a4f;
    --green-light: #40916c;
    --green-pale: #95d5b2;
    --green-mint: #b7e4c7;
    --green-bg: #d8f3dc;
    --cream-dark: #d4c5b2;
    --cream-mid: #e8dcca;
    --cream-light: #f5f0e8;
    --cream-pale: #faf7f2;
    --accent-gold: #c9a96e;
    --accent-coral: #e07a5f;
    --accent-teal: #3d5a80;
    --gradient-green: linear-gradient(135deg, #1a4731, #40916c);
    --gradient-cream: linear-gradient(135deg, #d4c5b2, #f5f0e8);
    --gradient-accent: linear-gradient(135deg, #2d6a4f, #c9a96e);
    --gradient-light: linear-gradient(135deg, #d8f3dc, #f5f0e8);
    --gradient-card: linear-gradient(145deg, #ffffff, #faf8f5);
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-tertiary: #8a8a8a;
    --text-on-dark: #ffffff;
    --shadow-sm: 0 2px 8px rgba(26, 71, 49, 0.06);
    --shadow-md: 0 8px 24px rgba(26, 71, 49, 0.08);
    --shadow-lg: 0 16px 48px rgba(26, 71, 49, 0.12);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.03);
    --font: 'Vazirmatn', 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'Fira Code', 'Consolas', 'Monaco', monospace;
    --radius-sm: 14px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --radius-xl: 36px;
    --radius-full: 50px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font);
    line-height: 1.8;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ============ پس‌زمینه کدها ============ */
.code-bg {
    position: fixed; inset: 0; z-index: 0;
    pointer-events: none; overflow: hidden; opacity: 0.05;
}
.code-bg span {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--green-dark);
    white-space: nowrap;
    animation: codeFloat linear infinite;
}
@keyframes codeFloat {
    0% { transform: translateY(105vh) translateX(0); opacity: 0; }
    5% { opacity: 1; }
    95% { opacity: 0.5; }
    100% { transform: translateY(-10vh) translateX(30px); opacity: 0; }
}

/* ============ الگوهای پس‌زمینه ============ */
.bg-pattern {
    position: fixed; inset: 0; z-index: -2; pointer-events: none;
    background-color: var(--bg-primary);
    background-image:
        radial-gradient(circle at 20% 30%, rgba(45,106,79,0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201,169,110,0.04) 0%, transparent 50%),
        radial-gradient(circle at 50% 70%, rgba(64,145,108,0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(181,228,183,0.05) 0%, transparent 50%);
}
.grid-dots {
    position: fixed; inset: 0; z-index: -1; pointer-events: none;
    background-image: radial-gradient(circle, rgba(26,71,49,0.06) 1px, transparent 1px);
    background-size: 30px 30px;
}

/* ============ هدر ============ */
.header {
    position: sticky; top: 16px; z-index: 100;
    margin: 16px auto; max-width: 1300px;
    background: var(--bg-card);
    border: 1px solid rgba(26,71,49,0.08);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
}
.header:hover { box-shadow: var(--shadow-md); }
.header-inner {
    padding: 14px 28px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px; flex-wrap: wrap;
}
.logo {
    font-size: 26px; font-weight: 900;
    background: var(--gradient-green);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none; letter-spacing: -1px;
}
.nav { display: flex; gap: 6px; flex-wrap: wrap; }
.nav-link {
    padding: 8px 18px; border-radius: var(--radius-full);
    color: var(--text-secondary); text-decoration: none;
    font-weight: 500; font-size: 14px; transition: var(--transition-fast);
}
.nav-link:hover { background: var(--green-bg); color: var(--green-dark); }
.header-actions {
    display: flex; align-items: center; gap: 10px;
    flex-wrap: wrap; font-size: 14px; color: var(--text-secondary);
}

/* ============ دکمه‌ها ============ */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; padding: 10px 22px; border-radius: var(--radius-full);
    font-family: var(--font); font-weight: 600; font-size: 14px;
    cursor: pointer; transition: var(--transition-bounce);
    text-decoration: none; border: none; position: relative; overflow: hidden;
}
.btn-primary {
    background: var(--gradient-green); color: var(--text-on-dark);
    box-shadow: 0 4px 16px rgba(26,71,49,0.2);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(26,71,49,0.3); }
.btn-outline {
    background: var(--bg-card); border: 1.5px solid rgba(26,71,49,0.15); color: var(--green-dark);
}
.btn-outline:hover { background: var(--green-bg); border-color: var(--green-light); transform: translateY(-2px); }
.btn-danger {
    background: rgba(224,122,95,0.1); border: 1px solid rgba(224,122,95,0.2); color: var(--accent-coral);
}
.btn-danger:hover { background: rgba(224,122,95,0.2); transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 17px; border-radius: var(--radius-md); }
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 10px; }
.btn-edit {
    background: rgba(45,106,79,0.08); border: 1px solid rgba(45,106,79,0.15); color: var(--green-mid);
}
.btn-edit:hover { background: rgba(45,106,79,0.15); }
.btn-delete {
    background: rgba(224,122,95,0.08); border: 1px solid rgba(224,122,95,0.15); color: var(--accent-coral);
}
.btn-delete:hover { background: rgba(224,122,95,0.15); }

/* ============ هیرو ============ */
.hero {
    min-height: 70vh; display: flex; align-items: center;
    justify-content: center; text-align: center;
    padding: 80px 24px; position: relative;
}
.hero-content { max-width: 700px; animation: fadeInUp 0.8s ease; }
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.hero-title { font-size: clamp(36px, 8vw, 60px); font-weight: 900; margin-bottom: 20px; line-height: 1.3; }
.gradient-text {
    background: var(--gradient-green); background-size: 200% 200%;
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; animation: gradientMove 4s ease infinite;
}
@keyframes gradientMove { 0%,100% { background-position:0% 50%; } 50% { background-position:100% 50%; } }
.hero-subtitle { font-size: clamp(16px, 3vw, 20px); color: var(--text-secondary); margin-bottom: 16px; font-weight: 500; }
.hero-desc { font-size: 16px; color: var(--text-tertiary); margin-bottom: 36px; }

/* ============ کانتینر ============ */
.container { max-width: 1300px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ============ عنوان ============ */
.section-title {
    text-align: center; font-size: clamp(28px, 5vw, 40px); font-weight: 900;
    margin-bottom: 16px;
    background: var(--gradient-green);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 48px; font-size: 15px; }

/* ============ فیلتر ============ */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 32px; }
.filter-btn {
    padding: 10px 22px; border-radius: var(--radius-full);
    font-family: var(--font); font-weight: 600; font-size: 13px; cursor: pointer;
    background: var(--bg-card); border: 1.5px solid rgba(26,71,49,0.1);
    color: var(--text-secondary); transition: var(--transition-bounce); box-shadow: var(--shadow-sm);
}
.filter-btn:hover { border-color: var(--green-light); color: var(--green-dark); transform: translateY(-2px); }
.filter-btn.active {
    background: var(--gradient-green); border-color: transparent;
    color: #fff; box-shadow: 0 4px 16px rgba(26,71,49,0.2);
}

/* ============ نمونه‌کارها ============ */
.portfolio { padding: 60px 0 100px; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.project-card {
    background: var(--bg-card); border: 1px solid rgba(26,71,49,0.06);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: var(--transition-smooth); box-shadow: var(--shadow-card);
    animation: cardIn 0.5s ease both; display: flex; flex-direction: column;
}
.project-card:hover {
    transform: translateY(-6px); box-shadow: var(--shadow-md), 0 0 40px rgba(45,106,79,0.06);
    border-color: rgba(45,106,79,0.15);
}
@keyframes cardIn {
    from { opacity: 0; transform: translateY(30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.project-image {
    width: 100%; height: 200px; position: relative; overflow: hidden;
    background: var(--gradient-light); display: flex; align-items: center;
    justify-content: center; border-bottom: 1px solid rgba(26,71,49,0.06);
}
.project-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover .project-image img { transform: scale(1.06); }
.project-placeholder { font-size: 56px; opacity: 0.25; }
.category-badge {
    position: absolute; top: 14px; right: 14px; padding: 6px 14px;
    border-radius: var(--radius-full); font-size: 11px; font-weight: 700;
    background: rgba(255,255,255,0.85); backdrop-filter: blur(10px);
    border: 1px solid rgba(26,71,49,0.1); color: var(--green-dark); box-shadow: var(--shadow-sm);
}
.project-body { padding: 20px 22px; flex-grow: 1; display: flex; flex-direction: column; gap: 10px; }
.project-title { font-size: 19px; font-weight: 700; }
.project-desc { font-size: 13px; color: var(--text-secondary); line-height: 2; flex-grow: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { padding: 4px 12px; border-radius: var(--radius-full); font-size: 10px; font-weight: 600; background: var(--green-bg); color: var(--green-dark); }
.tag:nth-child(2) { background: var(--cream-light); color: #8a6d3b; }
.tag:nth-child(3) { background: #e0f0ff; color: var(--accent-teal); }
.tag:nth-child(4) { background: #ffe8e0; color: var(--accent-coral); }
.tag:nth-child(5) { background: #e8f5e9; color: #2e7d32; }
.project-footer { padding: 14px 22px; border-top: 1px solid rgba(26,71,49,0.06); display: flex; gap: 8px; flex-wrap: wrap; }

/* ============ تب‌ها ============ */
.tabs {
    display: flex; background: var(--bg-card);
    border: 1px solid rgba(26,71,49,0.08); border-radius: var(--radius-md);
    overflow: hidden; margin-bottom: 28px; box-shadow: var(--shadow-sm);
}
.tab {
    padding: 12px 28px; cursor: pointer; font-weight: 600; font-size: 14px;
    transition: var(--transition-fast); border: none; background: transparent;
    color: var(--text-secondary); font-family: var(--font); flex: 1; text-align: center;
}
.tab:hover { background: var(--green-bg); color: var(--green-dark); }
.tab.active { background: var(--gradient-green); color: #fff; }

/* ============ استات ============ */
.stats { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.stat-box {
    flex: 1; min-width: 140px; background: var(--bg-card);
    border: 1px solid rgba(26,71,49,0.06); border-radius: var(--radius-md);
    padding: 22px; text-align: center; transition: var(--transition-smooth); box-shadow: var(--shadow-card);
}
.stat-box:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-num {
    font-size: 38px; font-weight: 900;
    background: var(--gradient-green);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 6px; font-weight: 500; }

/* ============ مودال ============ */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.3);
    backdrop-filter: blur(4px); z-index: 300;
    display: none; align-items: center; justify-content: center;
    padding: 20px; animation: fadeIn 0.3s ease;
}
.modal-overlay.show { display: flex; }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
.modal {
    background: var(--bg-card); border: 1px solid rgba(26,71,49,0.08);
    border-radius: var(--radius-xl); padding: 32px 28px;
    max-width: 600px; width: 100%; max-height: 85vh; overflow-y: auto;
    box-shadow: var(--shadow-lg); animation: modalIn 0.4s cubic-bezier(0.16,1,0.3,1);
}
.modal-sm { max-width: 450px; text-align: center; }
@keyframes modalIn {
    from { transform: translateY(30px) scale(0.95); opacity:0; }
    to { transform: translateY(0) scale(1); opacity:1; }
}
.modal h3 {
    font-size: 22px; font-weight: 800; margin-bottom: 20px; text-align: center;
    background: var(--gradient-green);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.modal p { color: var(--text-secondary); font-size: 14px; margin-bottom: 20px; line-height: 2; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 7px; font-weight: 600; font-size: 13px; color: var(--text-secondary); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 12px 16px; background: var(--bg-primary);
    border: 1.5px solid rgba(26,71,49,0.1); border-radius: var(--radius-sm);
    color: var(--text-primary); font-family: var(--font); font-size: 14px; transition: var(--transition-fast); resize: vertical;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none; border-color: var(--green-light);
    box-shadow: 0 0 0 3px rgba(45,106,79,0.08); background: #fff;
}
.form-group textarea { min-height: 90px; }
.form-group input[type="file"] { padding: 10px; cursor: pointer; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }
.modal-actions { display: flex; gap: 12px; margin-top: 24px; }
.modal-actions .btn { flex: 1; }

/* ============ پیش‌نمایش تصویر ============ */
.image-preview { margin-top: 10px; display: none; }
.image-preview img { max-width: 100%; max-height: 160px; border-radius: var(--radius-sm); border: 1px solid rgba(26,71,49,0.1); }
.image-preview .btn-remove-img {
    margin-top: 8px; background: rgba(224,122,95,0.1); color: var(--accent-coral);
    border: 1px solid rgba(224,122,95,0.2); padding: 6px 14px; border-radius: 10px;
    cursor: pointer; font-family: var(--font); font-size: 12px; transition: var(--transition-fast);
}
.image-preview .btn-remove-img:hover { background: rgba(224,122,95,0.2); }

/* ============ جدول ============ */
.category-table {
    width: 100%; background: var(--bg-card);
    border: 1px solid rgba(26,71,49,0.06); border-radius: var(--radius-md);
    overflow: hidden; border-collapse: collapse; box-shadow: var(--shadow-card);
}
.category-table th, .category-table td { padding: 16px 20px; text-align: right; border-bottom: 1px solid rgba(26,71,49,0.05); }
.category-table th { background: var(--cream-light); font-size: 13px; color: var(--text-secondary); font-weight: 600; }
.category-table td { font-size: 14px; }
.category-table tr:last-child td { border-bottom: none; }
.category-table tr:hover td { background: var(--cream-pale); }

/* ============ ایموجی ============ */
.emoji-picker { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.emoji-option {
    width: 44px; height: 44px; display: flex; align-items: center;
    justify-content: center; font-size: 22px; border-radius: var(--radius-sm);
    cursor: pointer; border: 2px solid transparent; background: var(--bg-primary);
    transition: var(--transition-bounce);
}
.emoji-option:hover { border-color: var(--green-light); background: var(--green-bg); transform: scale(1.15); }
.emoji-option.selected { border-color: var(--green-mid); background: var(--green-bg); }

/* ============ فوتر ============ */
.footer { text-align: center; padding: 30px; color: var(--text-tertiary); font-size: 13px; border-top: 1px solid rgba(26,71,49,0.06); margin-top: 40px; }

/* ============ Toast ============ */
.toast {
    position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%);
    z-index: 400; padding: 14px 28px; border-radius: var(--radius-full);
    font-family: var(--font); font-weight: 600; font-size: 14px;
    animation: toastIn 0.4s ease; box-shadow: var(--shadow-md);
}
.toast-success { background: var(--gradient-green); color: #fff; }
.toast-error { background: var(--accent-coral); color: #fff; }
@keyframes toastIn {
    from { opacity:0; transform: translateX(-50%) translateY(20px); }
    to { opacity:1; transform: translateX(-50%) translateY(0); }
}

/* ============ خالی ============ */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-secondary); grid-column:1/-1; }
.empty-state span { font-size: 64px; display: block; margin-bottom: 16px; opacity: 0.3; }
.empty-state h3 { font-size: 20px; margin-bottom: 8px; }

/* ============ اسکرول ============ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--green-pale); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-light); }
::selection { background: rgba(45,106,79,0.15); color: var(--green-dark); }

/* ============ ریسپانسیو ============ */
@media (max-width: 768px) {
    .header { margin: 10px; border-radius: var(--radius-md); }
    .header-inner { padding: 12px 18px; justify-content: center; text-align: center; }
    .hero-title { font-size: 32px; }
    .section-title { font-size: 26px; }
    .projects-grid { grid-template-columns: 1fr; }
    .project-image { height: 180px; }
    .stats { flex-direction: column; }
    .modal { padding: 24px 16px; margin: 10px; border-radius: var(--radius-lg); }
    .form-row { flex-direction: column; }
    .tab { padding: 10px 16px; font-size: 12px; }
    .btn-lg { padding: 14px 28px; font-size: 15px; }
    .filter-btn { padding: 8px 14px; font-size: 11px; }
}