/* ============================================
   ZOIHUB Dashboard Layout – dashboard.css
   Sidebar + Header + Content Area
   ============================================ */

/* ─── Layout Grid ───────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ─── Sidebar ───────────────────────────────── */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: var(--gray-300);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition-slow);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.collapsed {
    width: 72px;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--gray-600);
    border-radius: var(--radius-full);
}

/* ─── Sidebar Logo ──────────────────────────── */
.sidebar-brand {
    padding: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.sidebar-brand .logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--white);
    flex-shrink: 0;
}

.sidebar-brand .brand-text {
    overflow: hidden;
    transition: var(--transition-slow);
}

.sidebar-brand .brand-name {
    font-size: var(--font-lg);
    font-weight: 800;
    color: var(--white);
    letter-spacing: 1px;
}

.sidebar-brand .brand-sub {
    font-size: var(--font-xs);
    color: var(--gray-500);
    margin-top: 2px;
}

.sidebar.collapsed .brand-text { width: 0; opacity: 0; }

/* ─── Sidebar Navigasyon ────────────────────── */
.sidebar-nav {
    flex: 1;
    padding: var(--space-4) 0;
}

.nav-section {
    margin-bottom: var(--space-2);
}

.nav-section-title {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray-500);
    transition: var(--transition-slow);
}

.sidebar.collapsed .nav-section-title {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.6rem var(--space-6);
    color: var(--gray-400);
    font-size: var(--font-base);
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    border-left: 3px solid transparent;
    position: relative;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--white);
    border-left-color: rgba(59,130,246,0.3);
}

.nav-item.active {
    background: rgba(59,130,246,0.1);
    color: var(--white);
    border-left-color: var(--primary-light);
}

.nav-item .nav-icon {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.nav-item .nav-label {
    overflow: hidden;
    white-space: nowrap;
    transition: var(--transition-slow);
}

.sidebar.collapsed .nav-item .nav-label {
    width: 0;
    opacity: 0;
}

.nav-item .nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: var(--white);
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-weight: 700;
}

.sidebar.collapsed .nav-item .nav-badge {
    position: absolute;
    top: 6px;
    right: 12px;
    margin: 0;
}

/* ─── Sidebar Alt Bilgi ─────────────────────── */
.sidebar-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-user .user-info {
    overflow: hidden;
    transition: var(--transition-slow);
}

.sidebar-user .user-name {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--white);
    white-space: nowrap;
}

.sidebar-user .user-role {
    font-size: var(--font-xs);
    color: var(--gray-500);
    white-space: nowrap;
}

.sidebar.collapsed .sidebar-user .user-info {
    width: 0;
    opacity: 0;
}

/* ─── Ana İçerik Alanı ──────────────────────── */
.main-wrapper {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: var(--transition-slow);
}

.sidebar.collapsed ~ .main-wrapper {
    margin-left: 72px;
}

/* ─── Üst Çubuk ─────────────────────────────── */
.top-header {
    height: 64px;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-8);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.toggle-sidebar {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.toggle-sidebar:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.header-breadcrumb {
    font-size: var(--font-sm);
    color: var(--gray-500);
}

.header-breadcrumb a {
    color: var(--gray-500);
}

.header-breadcrumb a:hover {
    color: var(--primary-light);
}

.header-breadcrumb .separator {
    margin: 0 var(--space-2);
    color: var(--gray-300);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header-date {
    font-size: var(--font-sm);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.header-user:hover {
    background: var(--gray-50);
}

.header-user-info {
    text-align: right;
}

.header-user-name {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--gray-800);
}

.header-user-role {
    font-size: var(--font-xs);
    color: var(--gray-500);
}

/* ─── İçerik Alanı ──────────────────────────── */
.content-area {
    flex: 1;
    padding: var(--space-8);
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
    gap: var(--space-4);
}

/* ─── Dashboard Grid ────────────────────────── */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-6);
}

.col-12 { grid-column: span 12; }
.col-8  { grid-column: span 8; }
.col-6  { grid-column: span 6; }
.col-4  { grid-column: span 4; }
.col-3  { grid-column: span 3; }

/* ─── Login Sayfası ─────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1e40af 100%);
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 60%);
    top: -200px;
    right: -200px;
    border-radius: 50%;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 60%);
    bottom: -100px;
    left: -100px;
    border-radius: 50%;
}

.login-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-10);
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.5s ease;
}

.login-logo {
    text-align: center;
    margin-bottom: var(--space-8);
}

.login-logo .logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--accent-light));
    border-radius: var(--radius-xl);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: var(--space-4);
}

.login-logo h1 {
    font-size: var(--font-2xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-logo p {
    font-size: var(--font-sm);
    color: var(--gray-500);
    margin-top: var(--space-2);
}

.login-card .form-group label {
    font-weight: 500;
}

.login-card .btn-primary {
    width: 100%;
    padding: 0.75rem;
    font-size: var(--font-md);
    font-weight: 600;
    justify-content: center;
}

/* ─── Takvim Grid ───────────────────────────── */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    border-top: 1px solid var(--gray-200);
}

.cal-header {
    padding: 0.75rem 0.5rem;
    text-align: center;
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.cal-header.cal-weekend {
    color: var(--danger);
}

.cal-day {
    min-height: 100px;
    border-bottom: 1px solid var(--gray-100);
    border-right: 1px solid var(--gray-100);
    padding: 0.35rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
    transition: var(--transition);
}

.cal-day:hover {
    background: var(--gray-50);
}

.cal-day-empty {
    background: var(--gray-50);
}

.cal-day-number {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-600);
    padding: 2px 6px;
    text-align: right;
}

.cal-today {
    background: rgba(59,130,246,0.04);
}

.cal-today .cal-day-number {
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
}

.cal-weekend-day .cal-day-number {
    color: var(--danger);
}

.cal-event {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
    cursor: default;
}

.cal-more {
    font-size: 0.6rem;
    color: var(--gray-500);
    padding: 1px 6px;
    font-weight: 600;
}

/* ─── Kanban Board ──────────────────────────── */
.kanban-board {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    min-height: 400px;
}

.kanban-column {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
}

.kanban-column-header {
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    font-size: 0.85rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.kanban-column-body {
    flex: 1;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
    max-height: 600px;
}

.kanban-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.kanban-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* ─── Responsive ────────────────────────────── */
@media (max-width: 1024px) {
    .col-8, .col-6, .col-4, .col-3 {
        grid-column: span 12;
    }

    .cal-day {
        min-height: 60px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .main-wrapper {
        margin-left: 0 !important;
    }

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

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

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .cal-day {
        min-height: 40px;
    }

    .cal-event {
        display: none;
    }

    .cal-day.cal-today .cal-event:first-child {
        display: block;
    }
}