/* ========================================
   Paradox Cafe - استایل مشترک (بدون متغیرهای :root)
   ======================================== */

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

body {
    background: var(--bg-gradient);
    background-attachment: fixed;
    direction: rtl;
    color: var(--text-primary);
    min-height: 100vh;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn {
    padding: 8px 18px;
    border-radius: var(--radius-sm, 12px);
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    text-decoration: none;
}
.btn-primary { background: #d4af37; color: #1a1a1a; }
.btn-primary:hover { background: #c49b2a; transform: translateY(-1px); }
.btn-secondary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    backdrop-filter: blur(4px);
}
.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}
.btn-danger { background: rgba(231,76,60,0.85); color: #fff; backdrop-filter: blur(4px); }
.btn-danger:hover { background: #c0392b; }
.btn-success { background: rgba(39,174,96,0.85); color: #fff; backdrop-filter: blur(4px); }
.btn-success:hover { background: #2ecc71; }
.btn-warning { background: rgba(243,156,18,0.85); color: #1a1a1a; backdrop-filter: blur(4px); }

.glass-card {
    background: var(--bg-primary);
    backdrop-filter: blur(var(--glass-blur, 6px));
    border-radius: var(--radius-lg, 24px);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px;
}
.glass-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.glass-input {
    padding: 8px 18px;
    border-radius: var(--radius-sm, 12px);
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    color: var(--input-text);
    font-size: 0.85rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(4px);
    width: 100%;
}
.glass-input::placeholder { color: var(--text-muted); }
.glass-input:focus {
    outline: none;
    border-color: var(--border-hover);
    box-shadow: 0 0 0 2px rgba(212,175,55,0.1);
}

.custom-scroll { scrollbar-width: thin; }
.custom-scroll::-webkit-scrollbar { height: 4px; width: 4px; }
.custom-scroll::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); border-radius: 10px; }
.custom-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 10px; }

.logo-header {
    text-align: center;
    margin-bottom: 25px;
}
.logo-img {
    max-width: 180px;
    max-height: 90px;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: opacity 0.3s ease;
    filter: drop-shadow(0 0 20px rgba(0,0,0,0.2));
}
.cafe-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 6px;
}
.slogan-meaning {
    color: var(--text-muted);
    font-size: 0.7rem;
    margin-top: 3px;
}

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--bg-primary);
    backdrop-filter: blur(12px);
    color: var(--text-primary);
    border-radius: var(--radius-sm, 12px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 99;
    border: 1px solid var(--border-color);
    font-size: 1.5rem;
    box-shadow: var(--card-shadow);
}
.scroll-top.show { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: scale(1.1); background: var(--bg-hover); }

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    .product-card { animation: none !important; transition: none !important; }
    .product-card:hover { transform: none !important; }
}

@media (max-width: 700px) {
    .logo-img {
        max-width: 130px;
        max-height: 65px;
    }
    .glass-card { padding: 15px; }
}
@media (min-width: 1200px) {
    .logo-img {
        max-width: 200px;
        max-height: 100px;
    }
}