/* ==========================================================================
   IMPERIUM PHOTOS — LOGIN
   ========================================================================== */

   body {
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
    background: var(--primary-bg);
    color: var(--text-primary);
    font-family: var(--font-primary);
    position: relative;
}

/* Background */

.grid-background,
.scanning-lines {
    position: fixed;
    inset: 0;
    pointer-events: none;
}

.grid-background {
    z-index: 0;
    background-image:
        linear-gradient(rgba(var(--effect-rgb), var(--grid-opacity)) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--effect-rgb), var(--grid-opacity)) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: grid-pulse 6s ease-in-out infinite alternate;
}

.scanning-lines {
    z-index: 1;
    background: linear-gradient(
        0deg,
        transparent 97%,
        rgba(var(--effect-rgb), calc(var(--scan-opacity) * 3)) 98%,
        rgba(var(--effect-rgb), calc(var(--scan-opacity) * 6)) 99%,
        transparent 100%
    );
    background-size: 100% 6px;
    animation: scan 12s linear infinite;
}

/* Layout */

.access-container {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    box-sizing: border-box;
    padding: 32px 20px;
}

.access-frame {
    position: relative;
    width: min(100%, 600px);
    box-sizing: border-box;
    padding: 40px;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    box-shadow:
        0 0 50px var(--glow-cyan),
        inset 0 0 50px var(--surface-tint);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: frame-glow 4s ease-in-out infinite alternate;
}

/* Frame states — used by login.js */

.access-frame.state-success {
    border-color: var(--accent-green);
    box-shadow:
        0 0 50px var(--glow-green),
        inset 0 0 50px var(--surface-tint);
}

.access-frame.state-error {
    border-color: var(--accent-orange);
    box-shadow:
        0 0 50px var(--glow-orange),
        inset 0 0 50px var(--surface-tint);
    animation: shake 0.5s ease-in-out;
}

/* Corners */

.card-corners .corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: var(--accent-cyan);
    border-style: solid;
    filter: drop-shadow(0 0 5px var(--glow-cyan));
    animation: corner-pulse 3s ease-in-out infinite alternate;
}

.card-corners .corner.top-left {
    top: -2px;
    left: -2px;
    border-width: 3px 0 0 3px;
}

.card-corners .corner.top-right {
    top: -2px;
    right: -2px;
    border-width: 3px 3px 0 0;
}

.card-corners .corner.bottom-left {
    bottom: -2px;
    left: -2px;
    border-width: 0 0 3px 3px;
}

.card-corners .corner.bottom-right {
    right: -2px;
    bottom: -2px;
    border-width: 0 3px 3px 0;
}

/* Logo */

.logo-section {
    text-align: center;
    margin-bottom: 36px;
}

.logo-frame {
    position: relative;
    display: inline-block;
    max-width: 100%;
    box-sizing: border-box;
    padding: 28px 36px;
    margin: auto;
    background: var(--surface-bg);
    border: 1px solid var(--border-color);
}

.logo-corners {
    position: absolute;
    inset: -1px;
    pointer-events: none;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
    text-shadow: 0 0 20px var(--text-glow);
}

.logo-accent {
    color: var(--accent-cyan);
    text-shadow: 0 0 20px var(--glow-cyan);
}

.logo-subtitle {
    font-family: var(--font-display);
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-top: 8px;
    opacity: 0.8;
}

/* Form */

.access-form {
    margin-bottom: 28px;
}

.form-section {
    text-align: center;
    margin-bottom: 32px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
    text-shadow: 0 0 15px var(--glow-cyan);
}

.input-group {
    margin-bottom: 28px;
}

.input-label {
    display: block;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    text-shadow: 0 0 8px var(--glow-cyan);
}

.input-frame {
    position: relative;
    margin-bottom: 10px;
}

.access-input {
    position: relative;
    z-index: 2;
    width: 100%;
    box-sizing: border-box;
    background: var(--surface-bg);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    padding: 16px 20px;
    text-align: left;
    transition: var(--transition);
    outline: none;
}

.access-input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.access-input:focus {
    border-color: var(--border-active);
    background: var(--surface-tint);
    box-shadow:
        0 0 22px var(--glow-cyan),
        inset 0 0 22px var(--surface-tint);
}

.access-input:focus-visible {
    outline: 2px solid var(--focus-outline);
    outline-offset: 2px;
}

/* Input glow — must stay above frame background */

.input-glow {
    position: absolute;
    inset: -2px;
    z-index: 1;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(var(--accent-rgb), 0.18),
        transparent,
        rgba(var(--accent-rgb), 0.18),
        transparent
    );
    background-size: 400% 400%;
    opacity: 0;
    transition: opacity 0.3s ease;
    animation: glow-move 3s ease-in-out infinite;
    pointer-events: none;
}

.access-input:focus + .input-glow {
    opacity: 1;
}

/* Button */

.action-section {
    text-align: center;
    margin-bottom: 26px;
}

.access-button {
    position: relative;
    width: 100%;
    min-height: 54px;
    box-sizing: border-box;
    background: transparent;
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 18px 30px;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
    text-shadow: 0 0 10px var(--glow-cyan);
}

.access-button:hover:not(:disabled),
.access-button:focus-visible:not(:disabled) {
    background: var(--surface-tint);
    box-shadow:
        0 0 30px var(--glow-cyan),
        inset 0 0 30px var(--surface-tint);
    transform: translateY(-2px);
}

.access-button:focus-visible {
    outline: 2px solid var(--focus-outline);
    outline-offset: 4px;
}

.access-button:active:not(:disabled) {
    transform: translateY(0);
}

.access-button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.button-scanner {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(var(--accent-rgb), 0.4),
        transparent
    );
    transition: left 0.6s ease;
}

.access-button:hover:not(:disabled) .button-scanner {
    left: 100%;
}

.button-text {
    position: relative;
    z-index: 2;
}

/* Status */

.status-section {
    opacity: 0;
    transition: opacity 0.3s ease;
    margin-bottom: 18px;
}

.status-section.visible {
    opacity: 1;
}

.status-message {
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    padding: 10px;
    background: var(--surface-bg);
    border: 1px solid var(--border-color);
}

.status-message.success {
    color: var(--accent-green);
    border-color: var(--accent-green);
    text-shadow: 0 0 10px var(--glow-green);
}

.status-message.error {
    color: var(--accent-orange);
    border-color: var(--accent-orange);
    text-shadow: 0 0 10px var(--glow-orange);
}

.status-message.processing {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    text-shadow: 0 0 10px var(--glow-cyan);
    animation: processing-pulse 1s ease-in-out infinite alternate;
}

/* Progress */

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--surface-bg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(
        90deg,
        var(--accent-cyan),
        rgba(var(--accent-rgb), 0.7),
        var(--accent-cyan)
    );
    background-size: 200% 100%;
    transition: width 0.3s ease;
    animation: progress-shimmer 2s linear infinite;
}

/* Footer */

.system-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 10px;
}

.system-version,
.system-timestamp {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.version-label,
.timestamp-label {
    font-family: var(--font-display);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.version-number,
.timestamp-value {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--accent-cyan);
    text-shadow: 0 0 5px var(--glow-cyan);
}

/* Particles */

.access-particles {
    position: fixed;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    bottom: -10px;
    width: 2px;
    height: 2px;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--glow-cyan);
    animation: particle-float 8s linear forwards;
}

/* Animations */

@keyframes grid-pulse {
    from { opacity: 0.4; }
    to { opacity: 0.8; }
}

@keyframes scan {
    from { transform: translateY(-100vh); }
    to { transform: translateY(100vh); }
}

@keyframes frame-glow {
    from {
        box-shadow:
            0 0 50px var(--glow-cyan),
            inset 0 0 50px var(--surface-tint);
    }
    to {
        box-shadow:
            0 0 80px var(--glow-cyan),
            inset 0 0 80px var(--surface-tint);
    }
}

@keyframes corner-pulse {
    from {
        border-color: var(--accent-cyan);
        filter: drop-shadow(0 0 5px var(--glow-cyan));
    }
    to {
        border-color: var(--border-active);
        filter: drop-shadow(0 0 15px var(--glow-cyan));
    }
}

@keyframes glow-move {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

@keyframes processing-pulse {
    from { opacity: 0.7; }
    to { opacity: 1; }
}

@keyframes progress-shimmer {
    from { background-position: -200% 0; }
    to { background-position: 200% 0; }
}

@keyframes particle-float {
    0% {
        transform: translateY(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-105vh);
        opacity: 0;
    }
}

/* Responsive */

@media (max-width: 767px) {
    .access-container {
        align-items: flex-start;
        padding: 20px 15px;
    }

    .access-frame {
        width: 100%;
        padding: 28px 22px;
    }

    .logo-section {
        margin-bottom: 30px;
    }

    .logo-frame {
        padding: 20px 26px;
    }

    .logo-text {
        font-size: 22px;
    }

    .logo-subtitle {
        font-size: 9px;
        letter-spacing: 2px;
    }

    .form-section {
        margin-bottom: 28px;
    }

    .section-title {
        font-size: 16px;
    }

    .access-input {
        padding: 15px 18px;
    }

    .access-button {
        font-size: 12px;
        padding: 16px 24px;
        letter-spacing: 1.5px;
    }

    .status-message {
        font-size: 11px;
    }

    .system-footer {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        text-align: center;
        font-size: 9px;
    }

    .system-version,
    .system-timestamp {
        align-items: center;
    }
}

@media (max-width: 420px) {
    .access-container {
        padding: 15px 10px;
    }

    .access-frame {
        padding: 22px 18px;
    }

    .logo-frame {
        padding: 16px 22px;
    }

    .logo-text {
        font-size: 19px;
    }

    .logo-subtitle {
        font-size: 8px;
        letter-spacing: 1px;
    }

    .access-input {
        padding: 14px 16px;
    }
}

@media (max-height: 520px) and (orientation: landscape) {
    .access-container {
        align-items: flex-start;
        padding: 12px;
    }

    .access-frame {
        padding: 20px 24px;
    }

    .logo-section {
        margin-bottom: 18px;
    }

    .form-section {
        margin-bottom: 18px;
    }

    .input-group {
        margin-bottom: 14px;
    }

    .action-section {
        margin-bottom: 14px;
    }
}

/* Accessibility */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .grid-background,
    .scanning-lines,
    .access-particles {
        display: none;
    }
}