/* ========================================
   BARUK PETROLEUM — Design System
   Aesthetic: Refined Industrial Control
   ======================================== */

/* ── Tokens ── */
:root {
    /* Brand */
    --color-red: #C01D1B;
    --color-red-dark: #9A1715;
    --color-red-bright: #E53935;

    /* Neutral — warm undertone */
    --color-gray-900: #1A1A2E;
    --color-gray-600: #555770;
    --color-gray-500: #6E7086;
    --color-gray-400: #9495A8;
    --color-gray-300: #D2D1CE;
    --color-gray-200: #E5E4E1;
    --color-gray-100: #F5F4F1;
    --color-white: #FFFFFF;

    /* Semantic */
    --color-link: #2563EB;
    --color-success: #16A34A;
    --color-warning: #D97706;
    --color-error: #DC2626;
    --color-purple: #7C3AED;
    --color-teal: #0D9488;

    /* Typography */
    --font-display: 'Sora', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-family: 'DM Sans', sans-serif;

    --font-size-xs: 0.6875rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.0625rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.2;
    --line-height-base: 1.55;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.02);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.07), 0 2px 8px rgba(0,0,0,0.03);
    --shadow-xl: 0 20px 48px rgba(0,0,0,0.1);
    --shadow-red: 0 4px 14px rgba(192,29,27,0.25);
    --shadow-red-lg: 0 8px 24px rgba(192,29,27,0.3);

    /* Motion */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --dur-fast: 120ms;
    --dur: 200ms;
    --dur-slow: 350ms;

    /* Layout */
    --sidebar-w: 260px;
}

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes pulseRed {
    0%, 100% { box-shadow: 0 0 0 0 rgba(192,29,27,0); }
    50%      { box-shadow: 0 0 0 4px rgba(192,29,27,0.1); }
}

/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-body);
    background: var(--color-gray-100);
    color: var(--color-gray-900);
    min-height: 100vh;
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    line-height: var(--line-height-tight);
}

::selection {
    background: rgba(192,29,27,0.12);
    color: var(--color-gray-900);
}

/* ── Sidebar ── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: linear-gradient(180deg, #0F1117 0%, #141520 100%);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow: hidden;
}

/* Subtle red glow on right edge */
.sidebar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg,
        rgba(192,29,27,0) 0%,
        rgba(192,29,27,0.25) 50%,
        rgba(192,29,27,0) 100%
    );
    z-index: 1;
}

.sidebar-brand {
    padding: var(--space-6) var(--space-6);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-brand img {
    height: 38px;
    width: auto;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.92);
    padding: 3px;
}

.sidebar-brand .brand-name {
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: rgba(255,255,255,0.85);
    line-height: var(--line-height-tight);
    letter-spacing: -0.01em;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4) 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--dur) var(--ease);
    cursor: pointer;
    position: relative;
    border-left: 3px solid transparent;
    margin: 2px 0;
}

.nav-item:hover {
    color: rgba(255,255,255,0.85);
    background: rgba(255,255,255,0.04);
}

.nav-item.active {
    color: #fff;
    font-weight: var(--font-weight-semibold);
    border-left-color: var(--color-red);
    background: linear-gradient(90deg, rgba(192,29,27,0.12), transparent);
    padding-left: calc(var(--space-6) - 3px);
}

.nav-icon {
    width: 20px;
    text-align: center;
    font-size: var(--font-size-base);
    opacity: 0.7;
}

.nav-item.active .nav-icon { opacity: 1; }

.sidebar-footer {
    padding: var(--space-5) var(--space-6);
    border-top: 1px solid rgba(255,255,255,0.06);
}

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

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-sm);
    color: var(--color-white);
    box-shadow: 0 0 0 2px rgba(192,29,27,0.3), 0 0 16px rgba(192,29,27,0.15);
    flex-shrink: 0;
}

.user-details { font-size: var(--font-size-sm); }
.user-details .name { font-weight: var(--font-weight-semibold); color: rgba(255,255,255,0.9); }
.user-details .role { color: rgba(255,255,255,0.35); font-size: var(--font-size-xs); text-transform: capitalize; }

.sidebar-signout {
    display: block;
    margin-top: var(--space-3);
    font-size: var(--font-size-xs);
    color: rgba(255,255,255,0.3);
    text-decoration: none;
    transition: color var(--dur-fast);
}

.sidebar-signout:hover { color: rgba(255,255,255,0.6); }

/* ── Main Content ── */
.main {
    margin-left: var(--sidebar-w);
    animation: fadeIn var(--dur-slow) var(--ease);
}

/* ── Topbar ── */
.topbar {
    background: var(--color-white);
    padding: var(--space-5) var(--space-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: none;
    box-shadow: var(--shadow-sm);
}

/* Gradient red accent line */
.topbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-red), var(--color-red-bright), var(--color-red));
}

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

.topbar-left h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    letter-spacing: -0.02em;
}

.topbar-left p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.topbar-actions {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

/* ── Buttons ── */
.btn {
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: all var(--dur) var(--ease);
    min-height: 40px;
    text-decoration: none;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--color-red);
    color: var(--color-white);
    box-shadow: var(--shadow-red);
}

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

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: transparent;
    border: 1.5px solid var(--color-red);
    color: var(--color-red);
}

.btn-secondary:hover {
    background: rgba(192,29,27,0.06);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--color-gray-600);
    border: none;
}

.btn-ghost:hover { background: var(--color-gray-200); }

.btn-success {
    background: var(--color-success);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(22,163,74,0.25);
}

.btn-success:hover {
    background: #15803d;
    transform: translateY(-1px);
}

.btn-whatsapp {
    background: #25d366;
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(37,211,102,0.25);
}

.btn-whatsapp:hover {
    background: #20bd5a;
    transform: translateY(-1px);
}

.btn-danger-outline {
    background: transparent;
    border: 1.5px solid var(--color-error);
    color: var(--color-error);
}

.btn-danger-outline:hover { background: rgba(220,38,38,0.06); }

/* ── Cards ── */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    letter-spacing: -0.02em;
}

.card-body {
    padding: var(--space-6);
}

/* ── Back Button ── */
.back-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-gray-300);
    background: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--color-gray-900);
    text-decoration: none;
    transition: all var(--dur) var(--ease);
}

.back-btn:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

/* ── Forms ── */
.form-group {
    margin-bottom: var(--space-5);
}

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px var(--space-4);
    border: 1.5px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    background: var(--color-white);
    min-height: 42px;
    transition: all var(--dur) var(--ease);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(192,29,27,0.08);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}

.form-error {
    color: var(--color-error);
    font-size: var(--font-size-xs);
    margin-top: var(--space-1);
}

/* Edit/Create form page styles */
.edit-content {
    padding: 28px 32px;
    max-width: 920px;
    animation: fadeInUp var(--dur-slow) var(--ease);
}

.form-section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: var(--space-5);
    margin-top: var(--space-8);
}

.form-section-title:first-child { margin-top: 0; }

.form-actions {
    display: flex;
    gap: var(--space-3);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-200);
    margin-top: var(--space-8);
}

.form-group.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding-top: 26px;
}

.form-group.checkbox-group label { margin-bottom: 0; }

.form-group.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-height: auto;
    accent-color: var(--color-red);
}

.form-group .helptext {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    margin-top: var(--space-1);
}

.form-group .errorlist {
    list-style: none;
    padding: 0;
    margin: var(--space-1) 0 0;
}

.form-group .errorlist li {
    color: var(--color-error);
    font-size: var(--font-size-xs);
}

.file-current {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    margin-bottom: var(--space-1);
}

.file-current a { color: var(--color-link); text-decoration: none; }
.file-current a:hover { text-decoration: underline; }

/* ── Status System ── */

/* Badges (detail page) */
.status-badge {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-family: var(--font-display);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.02em;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.status-pending      { background: rgba(217,119,6,0.1);  color: #92400e; }
.status-pending .status-dot { background: var(--color-warning); }

.status-confirmed    { background: rgba(13,148,136,0.1);  color: var(--color-teal); }
.status-confirmed .status-dot { background: var(--color-teal); }

.status-in-transit   { background: rgba(124,58,237,0.08); color: var(--color-purple); }
.status-in-transit .status-dot { background: var(--color-purple); animation: pulseRed 2s infinite; }

.status-delivered    { background: rgba(22,163,74,0.1);   color: var(--color-success); }
.status-delivered .status-dot { background: var(--color-success); }

.status-cancelled    { background: rgba(220,38,38,0.08);  color: var(--color-error); }
.status-cancelled .status-dot { background: var(--color-error); }

/* Chip status colors (dashboard) */
.s-pending    { color: var(--color-warning); }
.s-confirmed  { color: var(--color-teal); }
.s-in-transit { color: var(--color-purple); }
.s-delivered  { color: var(--color-success); }
.s-cancelled  { color: var(--color-error); }

/* ── Messages (Django framework) ── */
.messages {
    list-style: none;
    padding: 0 var(--space-8);
    margin-top: var(--space-4);
    animation: fadeInUp var(--dur-slow) var(--ease);
}

.messages li {
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border: 1px solid transparent;
}

.messages .success {
    background: rgba(22,163,74,0.08);
    color: #15803d;
    border-color: rgba(22,163,74,0.2);
}

.messages .error {
    background: rgba(220,38,38,0.08);
    color: var(--color-error);
    border-color: rgba(220,38,38,0.2);
}

.messages .warning {
    background: rgba(217,119,6,0.08);
    color: #92400e;
    border-color: rgba(217,119,6,0.2);
}

.messages .info {
    background: rgba(37,99,235,0.06);
    color: var(--color-link);
    border-color: rgba(37,99,235,0.15);
}

/* ── Utility ── */
.text-muted    { color: var(--color-gray-600); }
.text-red      { color: var(--color-red); }
.text-success  { color: var(--color-success); }
.text-warning  { color: var(--color-warning); }
.text-error    { color: var(--color-error); }
.font-bold     { font-weight: var(--font-weight-bold); }