:root {
    /* Colors */
    --primary: #1d4ed8;
    --primary-hover: #2563eb;
    --primary-soft: rgba(29, 78, 216, 0.05);
    --text-dark: #0f172a;
    --accent: #f97316;
    --success: #22c55e;
    --warning: #facc15;
    --error: #f87171;
    --bg-light: #f8fafc;
    --border: #e2e8f0;
    --text-body: #1f2937;
    --frost: rgba(255, 255, 255, 0.72);
    --bg-card: #ffffff;

    /* Spacing */
    --container-padding: 24px;
    --card-padding: 24px;
    --section-spacing: 48px;

    /* Radius */
    --radius-card: 16px;
    --radius-btn: 8px;
    --radius-input: 12px;
}

[data-theme="dark"] {
    --bg-light: #0b1321;
    --text-dark: #f8fafc;
    --text-body: #cbd5e1;
    --border: #1e293b;
    --frost: rgba(11, 19, 33, 0.72);
    --bg-card: #1a2637;
    /* Dimmed accents */
    --primary: #172554;
    --primary-hover: #1e3a8a;
    --primary-soft: rgba(23, 37, 84, 0.24);
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    background-image: linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 32px 32px;
    color: var(--text-body);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}

[data-theme="dark"] body {
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}


[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--text-dark);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--text-dark);
    font-weight: 700;
}

h1 {
    font-size: 32px;
    line-height: 1.2;
}

h2 {
    font-size: 24px;
    font-weight: 600;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-card);
    padding: var(--card-padding);
    box-shadow: 0 25px 45px rgba(15, 23, 42, 0.12);
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

[data-theme="dark"] .card {
    background: var(--bg-card);
    box-shadow: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-body);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-soft);
}

/* Forms */
.form-group {
    margin-bottom: 12px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-dark);
}

input,
select,
textarea {
    width: 100%;
    padding: 10px 16px;
    border-radius: var(--radius-input);
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-body);
    font-family: inherit;
    box-sizing: border-box;
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: #1e293b;
    border-color: #334155;
}

/* Navigation */
.navbar {
    height: 64px;
    background: var(--frost);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-brand {
    font-weight: 700;
    font-size: 20px;
    color: var(--primary);
    text-decoration: none;
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-weight: 500;
}

.alert-success {
    background: #dcfce7;
    color: #166534;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
}

/* Tables */
.table-container {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--bg-light);
    border-bottom: 2px solid var(--border);
}

th,
td {
    padding: 14px;
    text-align: left;
}

tr {
    border-bottom: 1px solid var(--border);
}

tr:last-child {
    border-bottom: none;
}

[data-theme="dark"] thead {
    background: #111827;
}

[data-theme="dark"] tr {
    border-color: var(--border);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius-card);
    width: 100%;
    max-width: 500px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(20px);
    transition: all 0.2s;
    position: relative;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-body);
    opacity: 0.5;
    transition: opacity 0.2s;
}

.modal-close:hover {
    opacity: 1;
}

[data-theme="dark"] .modal-content {
    background: #1e293b;
    border: 1px solid var(--border);
}

/* Utilities Extended */
.card-flat {
    background: var(--bg-light) !important;
    border: 1px solid var(--border) !important;
    box-shadow: none !important;
}

.flex-wrap {
    flex-wrap: wrap;
}

.justify-end {
    justify-content: flex-end;
}

.gap-3 {
    gap: 0.75rem;
    /* 12px */
}

.w-auto {
    width: auto !important;
}

.w-100 {
    width: 100%;
}

.grid {
    display: grid;
    gap: 12px;
}

.product-grid {
    display: grid;
    grid-template-columns: 2fr 2fr 1fr 1fr 60px;
    gap: 12px;
    align-items: center;
}

/* Admin kit form might have extra column */
.product-grid-kit {
    display: grid;
    grid-template-columns: 2fr 2fr 1fr 1fr 1fr 60px;
    gap: 12px;
    align-items: center;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.relative {
    position: relative;
}

.absolute-spinner {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    display: none;
}

/* Announcement Bubbles */
.announcement-bubble {
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.announcement-icon {
    font-size: 24px;
    margin-top: -2px;
}

.announcement-text {
    font-weight: 500;
    line-height: 1.5;
}

/* Light Mode Announcements */
.announcement-info {
    background: #eff6ff;
    border-color: #93c5fd;
    color: #1e40af;
}

.announcement-info .announcement-icon {
    color: #3b82f6;
}

.announcement-warning {
    background: #fffbeb;
    border-color: #fcd34d;
    color: #92400e;
}

.announcement-warning .announcement-icon {
    color: #f59e0b;
}

.announcement-danger {
    background: #fef2f2;
    border-color: #fca5a5;
    color: #991b1b;
}

.announcement-danger .announcement-icon {
    color: #ef4444;
}

.announcement-success {
    background: #f0fdf4;
    border-color: #86efac;
    color: #166534;
}

.announcement-success .announcement-icon {
    color: #22c55e;
}

/* Dark Mode Announcements */
[data-theme="dark"] .announcement-info {
    background: #1e3a8a;
    /* Darker Blue */
    border-color: #1d4ed8;
    color: #dbeafe;
}

[data-theme="dark"] .announcement-info .announcement-icon {
    color: #60a5fa;
}

[data-theme="dark"] .announcement-warning {
    background: #422006;
    /* Darker Amber */
    border-color: #854d0e;
    color: #fef3c7;
}

[data-theme="dark"] .announcement-warning .announcement-icon {
    color: #fcd34d;
}

[data-theme="dark"] .announcement-danger {
    background: #450a0a;
    /* Darker Red */
    border-color: #991b1b;
    color: #fee2e2;
}

[data-theme="dark"] .announcement-danger .announcement-icon {
    color: #f87171;
}

[data-theme="dark"] .announcement-success {
    background: #052e16;
    /* Darker Green */
    border-color: #15803d;
    color: #dcfce7;
}

[data-theme="dark"] .announcement-success .announcement-icon {
    color: #4ade80;
}

/* Form Validation */
.input-error {
    border-color: var(--error) !important;
    background-color: #fef2f2 !important;
    animation: shake 0.4s cubic-bezier(.36, .07, .19, .97) both;
}

[data-theme="dark"] .input-error {
    background-color: #450a0a !important;
    /* Dark Red */
    border-color: #991b1b !important;
}

@keyframes shake {

    10%,
    90% {
        transform: translate3d(-1px, 0, 0);
    }

    20%,
    80% {
        transform: translate3d(2px, 0, 0);
    }

    30%,
    50%,
    70% {
        transform: translate3d(-4px, 0, 0);
    }

    40%,
    60% {
        transform: translate3d(4px, 0, 0);
    }
}

/* Easter Eggs */
/* Matrix Mode */
body.matrix-mode {
    background-color: #000 !important;
    background-image: none !important;
    color: #0f0 !important;
    font-family: 'Courier New', Courier, monospace !important;
}

body.matrix-mode * {
    border-color: #0f0 !important;
    color: #0f0 !important;
    font-family: 'Courier New', Courier, monospace !important;
    background-color: transparent !important;
    /* Make everything seethrough to see black body */
    box-shadow: none !important;
}

body.matrix-mode input,
body.matrix-mode select,
body.matrix-mode button,
body.matrix-mode .card,
body.matrix-mode .navbar,
body.matrix-mode .modal-content {
    background-color: #000 !important;
    border: 1px solid #0f0 !important;
}

body.matrix-mode .btn-primary {
    background: #003300 !important;
}

body.matrix-mode .btn-primary:hover {
    background: #005500 !important;
}

/* Logo Spin */
.infinite-spin {
    animation: infiniteSpin 1s linear infinite;
    display: inline-block;
}

@keyframes infiniteSpin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* 6. Barrel Roll */
.barrel-roll {
    animation: barrelRoll 1.5s ease-in-out;
}

@keyframes barrelRoll {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* 7. Hidden Terminal */
#terminal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    font-family: 'Courier New', Courier, monospace;
    color: #0f0;
    padding: 20px;
    display: none;
    /* Hidden by default */
    overflow-y: auto;
}

#terminal-content {
    max-width: 900px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.4;
}

.terminal-line {
    margin-bottom: 5px;
    white-space: pre-wrap;
}

.terminal-input-line {
    display: flex;
    gap: 8px;
}

.terminal-prompt {
    color: #0f0;
    font-weight: bold;
}

#terminal-input {
    background: transparent;
    border: none;
    color: #0f0;
    font-family: inherit;
    font-size: inherit;
    flex-grow: 1;
    outline: none;
    caret-color: #0f0;
}