/* public/css/admin/layout.css
 * SailingSkies Admin Panel — Full Layout System
 * Sidebar, Topbar, Page Body, CSS Variables (light + dark via dark-mode.css)
 */

/* ===========================
   CSS CUSTOM PROPERTIES — LIGHT MODE
   =========================== */
:root {
    /* Sidebar */
    --sb-bg:            #ffffff;
    --sb-border:        #e8ecf0;
    --sb-text:          #64748b;
    --sb-text-hover:    #1e293b;
    --sb-active-bg:     #2E75B6;
    --sb-active-text:   #ffffff;
    --sb-label-text:    #94a3b8;
    --sb-logo-text:     #1e293b;
    --sb-hover-bg:      #f1f5f9;
    --sb-footer-bg:     #f8fafc;
    --sb-icon-color:    #94a3b8;
    --sb-icon-active:   rgba(255,255,255,0.9);
    --sb-section-color: #94a3b8;

    /* Topbar */
    --topbar-bg:        #ffffff;
    --topbar-border:    #e8ecf0;
    --topbar-text:      #1e293b;
    --topbar-icon:      #64748b;
    --topbar-shadow:    0 1px 0 0 #e8ecf0;

    /* Page */
    --page-bg:          #f1f5f9;

    /* Card / Surface */
    --card-bg:          #ffffff;
    --card-border:      #e8ecf0;
    --card-shadow:      0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
    --card-radius:      10px;

    /* Typography */
    --text-primary:     #0f172a;
    --text-secondary:   #334155;
    --text-muted:       #64748b;

    /* Accent */
    --accent:           #2E75B6;
    --accent-hover:     #255d91;
    --accent-light:     rgba(46, 117, 182, 0.08);
    --accent-medium:    rgba(46, 117, 182, 0.15);

    /* Status */
    --status-active-bg:    #dcfce7;
    --status-active-text:  #15803d;
    --status-inactive-bg:  #f1f5f9;
    --status-inactive-text:#64748b;

    /* Danger */
    --danger:           #ef4444;
    --danger-hover:     #dc2626;

    /* Success / Warning */
    --success:          #22c55e;
    --warning:          #f59e0b;

    /* Discount */
    --discount-bg:      #fef9c3;
    --discount-text:    #854d0e;

    /* Sizes */
    --sidebar-width:    250px;
    --topbar-height:    64px;
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 14px;
}

/* ===========================
   RESET / BASE
   =========================== */
*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 13.5px;
    line-height: 1.5;
    background-color: var(--page-bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

/* ===========================
   ADMIN WRAPPER
   =========================== */
.admin-wrapper {
    display: flex;
    height: 100vh;
    overflow: hidden;
    background-color: var(--page-bg);
}

/* ===========================
   SIDEBAR
   =========================== */
.admin-sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--sb-bg);
    border-right: 1px solid var(--sb-border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width 0.25s ease, transform 0.25s ease;
    position: relative;
    z-index: 100;
    flex-shrink: 0;
}

.admin-sidebar::-webkit-scrollbar { width: 3px; }
.admin-sidebar::-webkit-scrollbar-track { background: transparent; }
.admin-sidebar::-webkit-scrollbar-thumb { background: var(--sb-border); border-radius: 2px; }

/* ----- Logo ----- */
.admin-sidebar__logo {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--sb-border);
    flex-shrink: 0;
}

.admin-sidebar__logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.admin-sidebar__logo-img {
    width: 100%;
    max-width: 160px;
    height: auto;
    max-height: 48px;
    object-fit: contain;
    display: block;
}

.admin-sidebar__logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #2E75B6 0%, #1a5a96 100%);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 15px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(46,117,182,0.35);
}

.admin-sidebar__logo-text {
    font-size: 16px;
    font-weight: 800;
    color: var(--sb-logo-text);
    letter-spacing: -0.4px;
}

/* ----- Navigation ----- */
.admin-sidebar__nav {
    flex: 1;
    padding: 12px 0 8px;
    overflow-y: auto;
}

.admin-sidebar__section-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.9px;
    text-transform: uppercase;
    color: var(--sb-section-color);
    padding: 16px 20px 6px;
    user-select: none;
}

.admin-sidebar__nav-list {
    list-style: none;
    margin: 0;
    padding: 0 10px;
}

.admin-sidebar__nav-item {
    margin-bottom: 2px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.admin-sidebar__nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    color: var(--sb-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: background-color 0.15s, color 0.15s;
    position: relative;
}

.admin-sidebar__nav-link:hover {
    background-color: var(--sb-hover-bg);
    color: var(--sb-text-hover);
}

.admin-sidebar__nav-link:hover .admin-sidebar__nav-icon {
    color: var(--accent);
}

/* Active state */
.admin-sidebar__nav-item--active .admin-sidebar__nav-link {
    background-color: var(--sb-active-bg);
    color: var(--sb-active-text);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(46,117,182,0.25);
}

.admin-sidebar__nav-item--active .admin-sidebar__nav-icon {
    color: var(--sb-icon-active) !important;
}

.admin-sidebar__nav-icon {
    font-size: 16px;
    color: var(--sb-icon-color);
    flex-shrink: 0;
    width: 18px;
    text-align: center;
    transition: color 0.15s;
}

/* ----- Footer ----- */
.admin-sidebar__footer {
    border-top: 1px solid var(--sb-border);
    padding: 14px 14px 16px;
    flex-shrink: 0;
    background-color: var(--sb-footer-bg);
}

.admin-sidebar__user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--border-radius-md);
    margin-bottom: 6px;
    background-color: var(--accent-light);
}

.admin-sidebar__user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #2E75B6, #1a5a96);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 800;
    flex-shrink: 0;
    letter-spacing: 0;
}

.admin-sidebar__user-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-sidebar__user-name {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-sidebar__user-role {
    font-size: 10.5px;
    color: var(--text-muted);
    font-weight: 500;
}

.admin-sidebar__logout-form { margin: 0; }

.admin-sidebar__logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    background: none;
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--danger);
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.15s;
}

.admin-sidebar__logout-btn:hover {
    background-color: rgba(239,68,68,0.07);
}

.admin-sidebar__logout-btn i {
    font-size: 14px;
}

/* ===========================
   MAIN CONTENT
   =========================== */
.admin-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

/* ===========================
   TOPBAR
   =========================== */
.admin-topbar {
    height: var(--topbar-height);
    min-height: var(--topbar-height);
    background-color: var(--topbar-bg);
    border-bottom: 2px solid var(--topbar-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px 0 20px;
    gap: 12px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* Left section */
.admin-topbar__left {
    display: flex;
    align-items: center;
    gap: 0;
    min-width: 0;
    flex: 1;
}

/* Hamburger toggle */
.admin-topbar__menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 0;
    color: var(--topbar-icon);
    font-size: 20px;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s;
    flex-shrink: 0;
    margin-right: 8px;
}

.admin-topbar__menu-toggle:hover {
    background-color: var(--accent-light);
    color: var(--accent);
}

/* Vertical divider line between hamburger and title */
.admin-topbar__divider {
    display: none;
    width: 1px;
    height: 24px;
    background-color: var(--card-border);
    margin: 0 14px 0 0;
    flex-shrink: 0;
}

/* Title wrap */
.admin-topbar__title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.admin-topbar__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: -0.3px;
    line-height: 1;
}

/* Right section */
.admin-topbar__right {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

/* Icon buttons (dark mode, bell) */
.admin-topbar__icon-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--border-radius-md);
    color: var(--topbar-icon);
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s, color 0.15s;
    flex-shrink: 0;
}

.admin-topbar__icon-btn:hover {
    background-color: var(--accent-light);
    color: var(--accent);
}

/* Sun/moon icon swap — done via dark-mode.css */
.admin-topbar__icon-sun  { display: none; }
.admin-topbar__icon-moon { display: inline; }

/* Notification badge */
.admin-topbar__notif-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    background-color: var(--danger);
    color: #ffffff;
    font-size: 9px;
    font-weight: 800;
    min-width: 14px;
    height: 14px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
    line-height: 1;
    border: 1.5px solid var(--topbar-bg);
}

/* Avatar dropdown trigger */
.admin-topbar__avatar-wrap {
    margin-left: 8px;
}

.admin-topbar__avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent) 0%, #1a5a96 100%);
    color: #ffffff;
    border: 2px solid rgba(255,255,255,0.2);
    outline: 2px solid var(--accent);
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(46,117,182,0.35);
    transition: box-shadow 0.15s, transform 0.15s;
    letter-spacing: 0;
}

.admin-topbar__avatar:hover {
    box-shadow: 0 4px 14px rgba(46,117,182,0.45);
    transform: translateY(-1px);
}

.admin-topbar__avatar::after { display: none; }

/* Dropdown panel */
.admin-topbar__dropdown {
    min-width: 240px;
    margin-top: 8px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--card-border);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    background-color: var(--card-bg);
    padding: 6px 0;
    overflow: hidden;
}

/* User info block at top of dropdown */
.admin-topbar__dropdown-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px 12px;
}

.admin-topbar__dropdown-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #1a5a96);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    flex-shrink: 0;
}

.admin-topbar__dropdown-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.admin-topbar__dropdown-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0;
}

.admin-topbar__dropdown-email {
    font-size: 11.5px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Dropdown item overrides */
.dropdown-menu {
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    background-color: var(--card-bg);
    padding: 6px 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 13.5px;
    transition: background-color 0.15s;
}

.dropdown-item:hover {
    background-color: var(--accent-light);
    color: var(--accent);
}

.dropdown-divider {
    border-color: var(--card-border);
    margin: 4px 0;
}

.admin-topbar__logout-item {
    color: var(--danger);
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    font-size: 13.5px;
    cursor: pointer;
}

/* ===========================
   PAGE BODY
   =========================== */
.admin-page-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    background-color: var(--page-bg);
}

.admin-page-body::-webkit-scrollbar { width: 5px; }
.admin-page-body::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

/* ===========================
   RESPONSIVE — MOBILE
   =========================== */
@media (max-width: 768px) {
    .admin-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        transform: translateX(-100%);
        z-index: 200;
        box-shadow: 4px 0 24px rgba(0,0,0,0.12);
        transition: transform 0.28s ease;
    }

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

    /* Show hamburger on mobile */
    .admin-topbar__menu-toggle {
        display: flex;
    }

    /* Show divider on mobile when hamburger is visible */
    .admin-topbar__divider {
        display: block;
    }

    .admin-page-body {
        padding: 16px;
    }

    .admin-topbar {
        padding: 0 16px;
    }

    /* Overlay behind sidebar on mobile */
    .admin-sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.45);
        z-index: 199;
        backdrop-filter: blur(2px);
    }

    .admin-sidebar-overlay.active {
        display: block;
    }
}