/* =====================================================
   ATRAK SOLUTIONS LTD - Layout CSS
   Desktop-first, mobile-friendly
   ===================================================== */

:root {
    --atrak-navy: #0A1F44;
    --atrak-navy-dark: #06142E;
    --atrak-orange: #F5A623;
    --atrak-orange-hover: #E09415;
    --atrak-white: #FFFFFF;
    --atrak-light: #F4F7FB;
    --atrak-gray: #6B7280;
    --atrak-border: #E5E7EB;
    --side-width: 260px;
    --top-height: 56px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--atrak-light);
    color: #1F2937;
    line-height: 1.6;
}

body.nav-open { overflow: hidden; }

img { max-width: 100%; height: auto; }

/* ---------- TOP BAR ---------- */
.top-bar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--top-height);
    background: linear-gradient(135deg, var(--atrak-navy) 0%, var(--atrak-navy-dark) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    padding: 0 16px;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.25);
    gap: 12px;
}

.menu-toggle {
    width: 42px;
    height: 42px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    border-radius: 6px;
    flex-shrink: 0;
}
.menu-toggle:hover { background: rgba(255,255,255,0.1); }
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
}

.top-bar-title { flex: 1; min-width: 0; }
.top-logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
}
.top-logo { height: 36px; width: auto; border-radius: 4px; }
.top-company {
    font-weight: 700;
    font-size: 1.05rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.top-bar-user {
    font-size: 0.85rem;
    color: var(--atrak-orange);
    white-space: nowrap;
}

/* ---------- SIDE NAV ---------- */
.side-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--side-width);
    height: 100%;
    background: var(--atrak-navy-dark);
    color: #fff;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.28s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,0.3);
}
.side-nav.open { transform: translateX(0); }

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}
.nav-overlay.show {
    opacity: 1;
    visibility: visible;
}

.side-nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    position: relative;
    padding-right: 40px;
}
.side-nav-brand img { height: 42px; width: auto; border-radius: 4px; }
.side-brand-name { font-weight: 700; font-size: 0.95rem; }
.side-brand-tag { font-size: 0.75rem; color: var(--atrak-orange); }

.side-nav-close {
    position: absolute;
    right: 8px;
    top: 8px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.6rem;
    cursor: pointer;
    line-height: 1;
    padding: 4px 8px;
    border-radius: 4px;
}
.side-nav-close:hover { background: rgba(255,255,255,0.1); }

.side-nav-links {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}
.side-nav-links a {
    display: flex;
    align-items: center;
    min-height: 42px;
    padding: 10px 20px;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    border-left: 3px solid transparent;
}
.side-nav-links a:hover {
    background: rgba(245,166,35,0.15);
    color: #fff;
    border-left-color: var(--atrak-orange);
}

.side-nav-footer {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 14px 16px;
}
.side-user-name { font-weight: 600; font-size: 0.9rem; }
.side-user-role { font-size: 0.75rem; color: var(--atrak-orange); margin-bottom: 10px; }
.side-logout {
    display: block;
    text-align: center;
    background: var(--atrak-orange);
    color: var(--atrak-navy) !important;
    text-decoration: none;
    padding: 9px 12px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.9rem;
}
.side-logout:hover { background: var(--atrak-orange-hover); }

/* ---------- PAGE WRAP (DESKTOP) ---------- */
.page-wrap {
    margin-top: var(--top-height);
    min-height: calc(100vh - var(--top-height));
    display: flex;
    flex-direction: column;
}

.atrak-main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 28px 24px 48px;
}

/* ---------- FOOTER ---------- */
.atrak-footer {
    background: var(--atrak-navy-dark);
    color: rgba(255,255,255,0.8);
    padding: 24px 16px 12px;
    font-size: 0.85rem;
}
.atrak-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.atrak-footer a { color: var(--atrak-orange); text-decoration: none; }
.atrak-footer-bottom {
    text-align: center;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
}

/* ---------- SHARED UI (DESKTOP) ---------- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-header h1 {
    color: var(--atrak-navy);
    font-size: 1.6rem;
    margin: 0;
}

.atrak-grid {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.atrak-grid th {
    background: var(--atrak-navy);
    color: #fff;
    padding: 11px 14px;
    text-align: left;
    font-size: 0.85rem;
}
.atrak-grid td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--atrak-border);
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--atrak-border);
    border-radius: 6px;
    font-size: 0.95rem;
}
.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 12px;
}
.form-group {
    flex: 1;
    min-width: 180px;
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: #374151;
}

.btn-save, .btn-edit, .btn-new {
    background: var(--atrak-orange);
    color: var(--atrak-navy);
    border: none;
    padding: 10px 20px;
    font-weight: 700;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}
.btn-save:hover, .btn-edit:hover, .btn-new:hover {
    background: var(--atrak-orange-hover);
}
.btn-back {
    background: #E5E7EB;
    color: #374151;
    padding: 10px 18px;
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
}

.stats-grid, .kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 22px;
}

/* Login */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    flex-wrap: wrap;
}
.login-branding {
    flex: 1;
    min-width: 300px;
    background: linear-gradient(160deg, var(--atrak-navy) 0%, var(--atrak-navy-dark) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 24px;
    text-align: center;
}
.login-branding img {
    max-height: 100px;
    margin-bottom: 20px;
    border-radius: 8px;
}
.login-branding h1 { font-size: 1.6rem; margin-bottom: 10px; }
.login-branding p { color: rgba(255,255,255,0.75); font-size: 0.95rem; }
.login-form-side {
    flex: 1;
    min-width: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background: #fff;
}
.login-box { width: 100%; max-width: 380px; }
.login-box h2 { color: var(--atrak-navy); margin-bottom: 8px; }
.login-box .subtitle { color: var(--atrak-gray); margin-bottom: 24px; font-size: 0.95rem; }
.login-error {
    background: #FEF2F2;
    color: #B91C1C;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 18px;
    font-size: 0.9rem;
    border: 1px solid #FECACA;
}
.btn-login {
    width: 100%;
    background: var(--atrak-orange);
    color: var(--atrak-navy);
    border: none;
    padding: 12px;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 8px;
}
.btn-login:hover { background: var(--atrak-orange-hover); }
.validation-error {
    color: #B91C1C;
    font-size: 0.85rem;
    display: block;
    margin-top: 4px;
}

/* ---------- MOBILE ONLY (max 767px) ---------- */
@media (max-width: 767px) {
    .atrak-main {
        padding: 14px 12px 32px;
    }

    .top-company {
        font-size: 0.8rem;
        max-width: 50vw;
    }

    .top-bar-user { display: none; }

    .side-nav { width: min(280px, 88vw); }

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

    .page-header h1 { font-size: 1.3rem; }

    .form-row { flex-direction: column; }

    .form-group {
        min-width: 100%;
        width: 100%;
    }

    .form-control,
    input[type="text"],
    input[type="password"],
    input[type="number"],
    input[type="email"],
    input[type="date"],
    select,
    textarea {
        font-size: 16px !important;
    }

    .atrak-footer-inner {
        grid-template-columns: 1fr;
    }

    .login-wrapper { flex-direction: column; }

    .stats-grid, .kpi-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    /* Horizontal scroll for data grids only */
    .table-scroll {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .atrak-grid {
        min-width: 560px;
    }
}

@media (max-width: 480px) {
    .stats-grid, .kpi-grid {
        grid-template-columns: 1fr;
    }
}