/* ====================================
   Main Application Styles
   ==================================== */

/* ===== Base Layout ===== */

body {
    display: grid;
    grid-template-areas:
        "header header header"
        "sidebar main main"
        "sidebar main main";
    grid-template-columns: var(--sidebar-width) 1fr auto;
    grid-template-rows: var(--header-height) 1fr;
    min-height: 100vh;
}

/* Header */
.app-header {
    grid-area: header;
    background-color: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-bg-secondary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--space-6);
    max-width: 1920px;
    margin: 0 auto;
}

/* Logo */
.logo-container {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
}

.logo {
    font-family: var(--font-serif);
    font-size: var(--text-3xl);
    font-weight: var(--font-black);
    color: var(--color-accent-gold);
    margin: 0;
    letter-spacing: -0.02em;
}

.logo-tagline {
    font-family: var(--font-serif);
    font-size: var(--text-sm);
    font-weight: var(--font-light);
    color: var(--color-text-secondary);
    font-style: italic;
    margin: 0;
}

/* Search */
.search-container {
    flex: 1;
    max-width: 500px;
    margin: 0 var(--space-8);
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--space-3) var(--space-12) var(--space-3) var(--space-4);
    background-color: var(--color-bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.search-input:focus {
    background-color: var(--color-bg-elevated);
    border-color: var(--color-accent-gold);
    box-shadow: var(--shadow-md);
}

.search-voice-btn {
    position: absolute;
    right: var(--space-2);
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.search-voice-btn:hover {
    background-color: var(--color-accent-gold-light);
    color: var(--color-accent-gold);
}

/* Header Actions */
.header-actions {
    display: flex;
    gap: var(--space-2);
}

.icon-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background-color: var(--color-accent-gold-light);
    color: var(--color-accent-gold);
}

/* Main Content */
.main-content {
    grid-area: main;
    padding: var(--space-8) var(--space-6);
    max-width: var(--breakpoint-xl);
    margin: 0 auto;
    width: 100%;
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: var(--fab-size);
    height: var(--fab-size);
    background: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-accent-gold-hover) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-gold);
    z-index: var(--z-fab);
    transition: all var(--transition-normal);
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 24px -6px rgba(212, 163, 115, 0.5);
}

.fab:active {
    transform: scale(1.05);
}

.fab-icon {
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

/* Cards */
.card {
    background-color: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-accent-gold-light);
    color: var(--color-accent-gold);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.badge.badge-new {
    background-color: var(--color-success);
    color: white;
}

.badge.badge-verified {
    background-color: var(--color-accent-indigo);
    color: white;
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
}

.modal {
    background-color: var(--color-bg-elevated);
    border-radius: var(--radius-2xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--space-8);
    box-shadow: var(--shadow-2xl);
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: var(--font-semibold);
    min-width: 44px;
    min-height: 44px;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-accent-gold-hover) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-accent-gold-light);
}

.btn-outline {
    border: 2px solid var(--color-accent-gold);
    color: var(--color-accent-gold);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--color-accent-gold);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        grid-template-areas:
            "header"
            "main";
        grid-template-columns: 1fr;
        grid-template-rows: var(--header-height) 1fr;
        padding-bottom: var(--mobile-nav-height);
    }

    .header-content {
        padding: 0 var(--space-4);
    }

    .logo {
        font-size: var(--text-xl);
    }

    .logo-tagline {
        display: none;
    }

    .search-container {
        margin: 0 var(--space-4);
        max-width: none;
    }

    .main-content {
        padding: var(--space-4);
    }

    .fab {
        bottom: calc(var(--mobile-nav-height) + var(--space-4));
        right: var(--space-4);
        width: 56px;
        height: 56px;
    }

    .fab-icon {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .header-actions {
        gap: var(--space-1);
    }

    .icon-btn {
        width: 40px;
        height: 40px;
    }

    .search-container {
        margin: 0 var(--space-2);
    }
}