/* ==========================================================================
   Dispatch Shipping Operations - Modern Executive Design System
   ========================================================================== */

:root {
    --ink: #0f172a;
    --muted: #64748b;
    --line: #e2e8f0;
    --card-bg: #ffffff;
    --app-bg: #f8fafc;
    --brand-green: #16a34a;
    --brand-green-dark: #15803d;
}

* { box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--app-bg);
    color: var(--ink);
    font-size: 13px;
    line-height: 1.45;
    margin: 0;
    padding: 0;
}

.app-shell { display: flex; min-height: 100vh; width: 100%; }

/* --- Sidebar --- */
.sidebar {
    width: 240px !important;
    flex-shrink: 0 !important;
    background: #ffffff !important;
    border-right: 1px solid var(--line) !important;
    color: var(--ink) !important;
    padding: 16px 12px !important;
    display: flex !important;
    flex-direction: column !important;
    position: sticky !important;
    top: 0 !important;
    height: 100vh !important;
    overflow-y: auto !important;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.02) !important;
    z-index: 100;
}

.brand {
    display: flex;
    gap: 8px;
    align-items: center;
    color: var(--ink) !important;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.5px;
    padding: 0 4px;
    text-decoration: none !important;
}

.brand-mark {
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--brand-green), var(--brand-green-dark));
    color: #ffffff !important;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    font-size: 15px;
    box-shadow: 0 3px 10px rgba(22, 163, 74, 0.25);
}

.brand-sub {
    display: block;
    font-size: 7px;
    letter-spacing: 1.2px;
    margin-top: 1px;
    color: var(--muted) !important;
    font-weight: 700;
}

.workspace {
    display: flex;
    gap: 8px;
    align-items: center;
    background: #f8fafc !important;
    border: 1px solid var(--line) !important;
    border-radius: 8px;
    padding: 8px 10px;
    margin: 14px 0 10px;
    font-size: 11px;
    font-weight: 600;
    color: var(--ink) !important;
    overflow: hidden;
}

.workspace div { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.workspace small, .account small, .sidebar-footer small { display: block; font-size: 10px; color: var(--muted) !important; margin-top: 1px; }
.workspace-icon { background: #dcfce7 !important; color: var(--brand-green) !important; padding: 4px 7px; border-radius: 6px; font-size: 13px; flex-shrink: 0; }

.nav-label { font-size: 9px; font-weight: 700; letter-spacing: 1.1px; color: #94a3b8 !important; margin: 14px 6px 4px; text-transform: uppercase; }

.nav-item {
    display: flex;
    gap: 8px;
    align-items: center;
    border-radius: 6px;
    padding: 7px 10px;
    margin-bottom: 2px;
    font-size: 12px;
    color: #475569 !important;
    font-weight: 500;
    transition: all 0.15s ease;
    text-decoration: none !important;
}

.nav-item:hover { color: var(--ink) !important; background: #f1f5f9 !important; transform: translateX(2px); }
.nav-item.active { background: linear-gradient(135deg, var(--brand-green), var(--brand-green-dark)) !important; color: #ffffff !important; font-weight: 600; box-shadow: 0 3px 10px rgba(22, 163, 74, 0.3); }
.nav-item i { font-size: 14px; width: 16px; text-align: center; flex-shrink: 0; }

.sidebar-footer {
    margin-top: auto;
    background: #f8fafc !important;
    border: 1px solid var(--line) !important;
    border-radius: 8px;
    padding: 10px;
    font-size: 10px;
    color: #334155 !important;
}
.status-dot { display: inline-block; width: 7px; height: 7px; background: #22c55e; border-radius: 50%; margin-right: 4px; box-shadow: 0 0 6px #22c55e; }

/* --- Main Content Shell --- */
.main-shell { min-width: 0; flex: 1; display: flex; flex-direction: column; width: calc(100% - 240px); }

.topbar {
    height: 52px;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
}

.breadcrumb-text { color: var(--muted); font-size: 11px; }
.breadcrumb-text span { margin: 0 8px; color: #cbd5e1; }
.breadcrumb-text strong { font-weight: 600; color: var(--ink); }

.account { display: flex; align-items: center; gap: 8px; font-size: 11px; }
.avatar { display: grid; place-items: center; background: #e2e8f0; border-radius: 50%; height: 28px; width: 28px; font-weight: 700; color: #334155; }
.logout { border: 0; border-left: 1px solid var(--line); background: none; color: var(--muted); margin-left: 8px; padding-left: 12px; font-size: 11px; cursor: pointer; }
.logout:hover { color: #dc2626; }

main#main { padding: 18px 24px; width: 100% !important; max-width: 100% !important; margin: 0; flex: 1; }

/* --- Compact Metrics --- */
.metrics {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)) !important;
    gap: 10px !important;
    margin-bottom: 18px !important;
}

.metric {
    background: #ffffff !important;
    border: 1px solid var(--line) !important;
    border-radius: 8px !important;
    padding: 12px 14px !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02) !important;
}

.metric-label { font-size: 11px; color: var(--muted); display: flex; justify-content: space-between; align-items: center; }
.metric strong { font-size: 22px !important; font-weight: 700 !important; color: var(--ink) !important; line-height: 1.2; margin: 4px 0 !important; }
.metric small { font-size: 9px; color: var(--muted); }

/* --- Buttons & Inputs --- */
.btn {
    font-size: 12px !important;
    font-weight: 600 !important;
    padding: 6px 12px !important;
    border-radius: 6px !important;
    transition: all 0.15s ease-in-out !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 5px !important;
    cursor: pointer !important;
    text-decoration: none !important;
    min-height: 30px !important;
}

.btn-sm { font-size: 11px !important; padding: 4px 9px !important; min-height: 26px !important; }

.btn-dark, .btn-primary {
    background: linear-gradient(135deg, var(--brand-green), var(--brand-green-dark)) !important;
    color: #ffffff !important;
    border: 1px solid var(--brand-green-dark) !important;
    box-shadow: 0 2px 6px rgba(22, 163, 74, 0.25) !important;
}

.btn-dark:hover, .btn-primary:hover {
    background: linear-gradient(135deg, var(--brand-green-dark), #166534) !important;
    color: #ffffff !important;
    box-shadow: 0 3px 10px rgba(22, 163, 74, 0.35) !important;
}

.btn-outline-dark, .btn-outline-secondary {
    background: #ffffff !important;
    color: var(--ink) !important;
    border: 1px solid #cbd5e1 !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03) !important;
}

.btn-outline-dark:hover, .btn-outline-secondary:hover {
    background: #f8fafc !important;
    color: var(--brand-green) !important;
    border-color: var(--brand-green) !important;
}

.form-control, .form-select {
    font-size: 12px !important;
    padding: 5px 8px !important;
    min-height: 30px !important;
    border-color: #cbd5e1 !important;
    border-radius: 6px !important;
}

.form-control:focus, .form-select:focus {
    border-color: var(--brand-green) !important;
    box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.15) !important;
}

/* --- Tables --- */
.table { font-size: 12px; margin-bottom: 0; }
.table th { background: #f8fafc !important; color: #475569 !important; font-weight: 700; padding: 8px 12px !important; border-bottom: 1px solid var(--line) !important; }
.table td { padding: 9px 12px !important; vertical-align: middle !important; border-bottom: 1px solid var(--line) !important; }
.table-responsive { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* --- Footer --- */
.page-footer { padding: 12px 24px; color: #94a3b8; font-size: 10px; display: flex; justify-content: space-between; border-top: 1px solid var(--line); background: #ffffff; }

/* --- Login & Auth Page --- */
.login-page {
    min-height: 100vh !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    background: radial-gradient(circle at 50% 15%, #ecfdf5 0%, #f8fafc 55%, #e2e8f0 100%) !important;
    padding: 24px 16px !important;
    margin: 0 !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
}

.login-card {
    width: 100% !important;
    max-width: 440px !important;
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 16px !important;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.02) !important;
    padding: 36px 32px !important;
    position: relative !important;
}

.login-card .form-control {
    font-size: 13px !important;
    padding: 8px 12px !important;
    min-height: 38px !important;
    border-color: #cbd5e1 !important;
    border-radius: 8px !important;
}

.login-card .form-control:focus {
    border-color: var(--brand-green) !important;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.18) !important;
}

.login-card .input-group-text {
    background: #f8fafc !important;
    border-color: #cbd5e1 !important;
    color: #64748b !important;
    border-radius: 8px 0 0 8px !important;
}

.login-card .btn-success {
    background: linear-gradient(135deg, #16a34a, #15803d) !important;
    border: none !important;
    border-radius: 8px !important;
    font-size: 14px !important;
    padding: 10px 16px !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3) !important;
    transition: all 0.2s ease-in-out !important;
}

.login-card .btn-success:hover {
    background: linear-gradient(135deg, #15803d, #166534) !important;
    box-shadow: 0 6px 18px rgba(22, 163, 74, 0.4) !important;
    transform: translateY(-1px) !important;
}

.login-caption {
    font-size: 11px !important;
    color: #94a3b8 !important;
    margin-top: 16px !important;
    text-align: center !important;
}

/* ==========================================================================
   Comprehensive Mobile & Tablet Responsiveness System
   ========================================================================== */
@media (max-width: 900px) {
    .app-shell { display: block !important; width: 100% !important; overflow-x: hidden !important; }
    
    /* Offcanvas Sidebar on Mobile */
    .sidebar {
        width: 280px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        z-index: 1050 !important;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15) !important;
    }

    .main-shell {
        width: 100% !important;
        min-width: 100% !important;
    }

    /* Compact Mobile Topbar */
    .topbar {
        padding: 8px 12px !important;
        height: auto !important;
        min-height: 52px !important;
        flex-wrap: wrap !important;
        gap: 6px !important;
        background: #ffffff !important;
    }

    .breadcrumb-text { display: none !important; }

    .account {
        font-size: 10px !important;
        gap: 4px !important;
    }

    .account .avatar {
        width: 24px !important;
        height: 24px !important;
        font-size: 11px !important;
    }

    .logout {
        padding-left: 6px !important;
        margin-left: 4px !important;
        font-size: 10px !important;
    }

    /* Main Container & Padding */
    main#main {
        padding: 12px !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
    }

    /* Page Headings */
    .page-heading {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
        margin-bottom: 12px !important;
    }

    .page-heading h1 {
        font-size: 18px !important;
    }

    .page-heading p {
        font-size: 11px !important;
    }

    /* Metrics Grid */
    .metrics {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
        margin-bottom: 12px !important;
    }

    .metric {
        padding: 10px 12px !important;
    }

    .metric strong {
        font-size: 18px !important;
    }

    /* Cards & Panels */
    .card, .panel {
        padding: 12px !important;
        border-radius: 8px !important;
    }

    /* Tables */
    .table-responsive {
        border-radius: 8px !important;
        border: 1px solid var(--line) !important;
        margin-bottom: 12px !important;
    }

    .table th, .table td {
        padding: 6px 8px !important;
        font-size: 11px !important;
        white-space: nowrap !important;
    }

    /* Forms & Buttons */
    .btn {
        font-size: 11px !important;
        padding: 5px 10px !important;
        min-height: 28px !important;
    }

    .form-control, .form-select {
        font-size: 12px !important;
        padding: 6px 8px !important;
    }

    /* Footer */
    .page-footer {
        flex-direction: column !important;
        gap: 4px !important;
        padding: 10px 12px !important;
        text-align: center !alignment;
    }
}

@media (max-width: 480px) {
    .metrics {
        grid-template-columns: 1fr !important;
    }

    .topbar {
        padding: 6px 8px !important;
    }

    .btn {
        width: 100% !important;
    }

    .btn-group .btn, .d-flex .btn {
        width: auto !important;
    }
}