/* ============================================================
   METRIX ADS — Shared Stylesheet
   Extracted common Matrix theme styles used across all templates.
   Template-specific styles remain inline in each template.
   ============================================================ */

/* ----------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   ---------------------------------------------------------- */
:root {
    --matrix-green: #00ff41;
    --matrix-dark-green: #00280a;
    --matrix-bg: #000;
    --matrix-dark: #0d0d0d;
    --matrix-red: #ff4444;
    --matrix-yellow: #ffaa00;
    --matrix-blue: #4488ff;
    --matrix-purple: #aa44ff;
}

/* ----------------------------------------------------------
   Base Reset & Body
   ---------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: 'Roboto Mono', monospace;
    background-color: var(--matrix-bg);
    color: var(--matrix-green);
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--matrix-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--matrix-dark-green);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--matrix-green);
}

/* ----------------------------------------------------------
   Matrix Background Canvas
   ---------------------------------------------------------- */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ----------------------------------------------------------
   Content Container (card/panel surface)
   ---------------------------------------------------------- */
.content-container {
    background-color: rgba(0, 20, 0, 0.9);
    border: 1px solid var(--matrix-green);
    box-shadow: 0 0 20px var(--matrix-green), 0 0 30px var(--matrix-green) inset;
    backdrop-filter: blur(10px);
}

/* ----------------------------------------------------------
   Buttons
   ---------------------------------------------------------- */
.matrix-btn {
    background-color: transparent;
    border: 1px solid var(--matrix-green);
    color: var(--matrix-green);
    text-shadow: 0 0 5px var(--matrix-green);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-family: 'Roboto Mono', monospace;
}

.matrix-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(0, 255, 65, 0.3), transparent);
    transition: all 0.5s;
    pointer-events: none;
}

.matrix-btn:not(:disabled):hover::before {
    left: 100%;
}

.matrix-btn:not(:disabled):hover {
    background-color: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 15px var(--matrix-green);
}

.matrix-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    text-shadow: none;
    box-shadow: none;
}

.matrix-btn span,
.tab-btn span {
    pointer-events: none;
}

/* Button colour variants */
.matrix-btn.success {
    border-color: #22c55e;
    color: #22c55e;
}

.matrix-btn.danger {
    border-color: var(--matrix-red);
    color: var(--matrix-red);
}

.matrix-btn.warning {
    border-color: var(--matrix-yellow);
    color: var(--matrix-yellow);
}

/* ----------------------------------------------------------
   Form Elements
   ---------------------------------------------------------- */
.form-input,
.form-select,
.form-textarea {
    background-color: rgba(0, 30, 0, 0.8);
    border: 1px solid var(--matrix-dark-green);
    color: var(--matrix-green);
    font-family: 'Roboto Mono', monospace;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--matrix-green);
    outline: none;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

.form-input::placeholder,
.form-select::placeholder,
.form-textarea::placeholder {
    color: rgba(0, 255, 65, 0.3);
}

.form-select option {
    background-color: var(--matrix-dark);
    color: var(--matrix-green);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: rgba(0, 255, 65, 0.8);
}

/* ----------------------------------------------------------
   Spinner / Loading
   ---------------------------------------------------------- */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: var(--matrix-green);
    border-right-color: var(--matrix-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ----------------------------------------------------------
   Typography Utilities
   ---------------------------------------------------------- */
.glow-text {
    text-shadow: 0 0 10px var(--matrix-green);
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite alternate;
}

@keyframes pulse-glow {
    from {
        text-shadow: 0 0 10px var(--matrix-green);
    }
    to {
        text-shadow: 0 0 20px var(--matrix-green), 0 0 30px var(--matrix-green);
    }
}

/* ----------------------------------------------------------
   Divider
   ---------------------------------------------------------- */
.matrix-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--matrix-green), transparent);
    margin: 20px 0;
}

/* ----------------------------------------------------------
   Status / Notification Feedback
   ---------------------------------------------------------- */
.error-message {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid var(--matrix-red);
    color: var(--matrix-red);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.success-message {
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid var(--matrix-green);
    color: var(--matrix-green);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

/* ----------------------------------------------------------
   Card / Panel (stat card, feature card)
   ---------------------------------------------------------- */
.stat-card {
    background-color: rgba(0, 40, 0, 0.6);
    border: 1px solid var(--matrix-dark-green);
    transition: all 0.3s ease;
    color: var(--matrix-green);
}

.stat-card:hover {
    border-color: var(--matrix-green);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

/* ----------------------------------------------------------
   Modal Overlay
   ---------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay.hidden {
    display: none;
}

/* ----------------------------------------------------------
   Skip Link (accessibility)
   ---------------------------------------------------------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 9999;
    background: var(--matrix-green);
    color: #000;
    padding: 0.5rem 1rem;
    border-radius: 0 0 4px 4px;
    font-family: 'Roboto Mono', monospace;
    font-weight: 600;
    text-decoration: none;
    font-size: 0.85rem;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
}

/* ----------------------------------------------------------
   Screen Reader Utilities
   ---------------------------------------------------------- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Tailwind-style escape: focus\:not-sr-only  */
.sr-only.focus\:not-sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* ----------------------------------------------------------
   Focus Visible (keyboard navigation)
   ---------------------------------------------------------- */
:focus-visible {
    outline: 2px solid var(--matrix-green);
    outline-offset: 2px;
}