:root {
    --clr-bg: #03040a;
    --clr-primary: #a855f7;
    --clr-secondary: #00f2ff;
    --clr-accent: #ff00c8;
    --clr-text: #ffffff;
    --clr-text-dim: #a1a1aa;
    --clr-border: rgba(255, 255, 255, 0.1);
    --clr-glass: rgba(255, 255, 255, 0.05);
    --clr-glass-heavy: rgba(10, 10, 20, 0.8);
    --font-main: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
}

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

body {
    background-color: var(--clr-bg);
    color: var(--clr-text);
    font-family: var(--font-main);
    overflow-x: hidden;
    min-height: 100vh;
}

#background-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    opacity: 0.5;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('isthe_bg.png') no-repeat center center fixed;
    background-size: cover;
    z-index: -1;
    filter: brightness(0.6);
}

.airtight-logo {
    filter: drop-shadow(0 0 8px var(--clr-primary));
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
}

/* Header & Nav */
.isthe-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--clr-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.logo-symbol {
    color: var(--clr-secondary);
    text-shadow: 0 0 10px var(--clr-secondary);
}

.solo-badge {
    font-size: 0.6rem;
    background: rgba(168, 85, 247, 0.2);
    border: 1px solid var(--clr-primary);
    color: var(--clr-primary);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 10px;
    letter-spacing: 1px;
    font-weight: 800;
}

.main-nav {
    display: flex;
    gap: 1rem;
}

.nav-item {
    background: transparent;
    border: 1px solid transparent;
    color: var(--clr-text-dim);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.9rem;
}

.nav-item:hover,
.nav-item.active {
    color: var(--clr-text);
    background: var(--clr-glass);
    border-color: var(--clr-border);
}

.nav-item.active {
    border-color: var(--clr-primary);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.security-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    color: var(--clr-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-btn {
    background: var(--clr-primary);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
}

/* Main Viewport */
#app-viewport {
    padding: 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.app-container {
    display: none;
    animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-container.active {
    display: block;
}

@keyframes slideUpFade {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.98);
        filter: blur(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

.app-header {
    margin-bottom: 2rem;
}

.app-header h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.app-header p {
    color: var(--clr-text-dim);
}

/* Shared Components: Cards & Buttons */
.card {
    background: var(--clr-glass);
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    padding: 2rem;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

.primary-btn {
    background: var(--clr-secondary);
    color: #000;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-weight: 700;
    cursor: pointer;
    width: 100%;
}

.secondary-btn {
    background: transparent;
    border: 1px solid var(--clr-border);
    color: #fff;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    margin-top: 0.5rem;
    cursor: pointer;
    width: 100%;
}

/* Dashboard Grid */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.app-card {
    cursor: pointer;
    background: var(--clr-glass);
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.app-card:hover {
    border-color: var(--clr-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Layout Splits */
.app-layout-split {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--clr-text-dim);
    margin-bottom: 0.5rem;
}

.input-group input[type="text"],
.input-group input[type="date"],
.input-group input[type="number"],
.isthe-select {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--clr-border);
    color: white;
    padding: 0.8rem;
    border-radius: 4px;
    font-family: var(--font-main);
}

/* Vaults Grid */
.vault-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.vault-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    padding: 1.5rem;
    position: relative;
}

.vault-item.locked::after {
    content: "🔒";
    position: absolute;
    top: 10px;
    right: 10px;
}

/* Oracle-Specific */
#orchestration-alert {
    background: rgba(255, 0, 0, 0.1);
    color: #ff4d4d;
    padding: 10px;
    border: 1px solid #ff4d4d;
    border-radius: 4px;
    animation: flash 1s infinite alternate;
}

@keyframes flash {
    from {
        opacity: 0.5;
    }

    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.5);
        opacity: 0.5;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes scanLine {
    0% {
        top: -10%;
    }

    100% {
        top: 110%;
    }
}

/* Footer */
.isthe-footer {
    padding: 3rem;
    border-top: 1px solid var(--clr-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--clr-text-dim);
}

.pulse {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #00ff00;
    border-radius: 50%;
    margin-left: 10px;
    box-shadow: 0 0 10px #00ff00;
    animation: pulse 2s infinite;
}

/* Mobile Responsiveness */
/* Identity Scanner Animation */
#liveness-check {
    position: relative;
    overflow: hidden;
}

.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--clr-secondary);
    box-shadow: 0 0 15px var(--clr-secondary);
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% {
        top: 0;
    }

    100% {
        top: 100%;
    }
}

/* Master Panel Specifics */
#guardian-panel .modal-content {
    border: 2px solid var(--clr-accent);
    box-shadow: 0 0 30px rgba(255, 0, 200, 0.2);
}

.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.7rem;
    color: var(--clr-text-dim);
    text-transform: uppercase;
}

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    max-width: 500px;
    width: 90%;
    text-align: center;
}

/* Enhanced Watermark */
.reader-watermark {
    opacity: 0.05 !important;
    font-size: 5rem !important;
    letter-spacing: 10px;
    z-index: 9999 !important;
}

.app-container,
.card,
.logo,
img {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Pulse Ping Animation */
.pulse-ping {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--clr-secondary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--clr-secondary);
}

.pulse-ping::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    border: 1px solid var(--clr-secondary);
    border-radius: 50%;
    animation: ping 2s infinite;
    opacity: 0;
}

@keyframes ping {
    0% {
        transform: scale(0.2);
        opacity: 0.8;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Matrix Node Enhancement */
.matrix-node {
    position: absolute;
    padding: 0.2rem 0.5rem;
    background: var(--clr-primary);
    color: white;
    font-size: 0.6rem;
    border-radius: 4px;
    box-shadow: 0 0 10px var(--clr-primary);
    animation: fadeIn 0.5s ease;
    cursor: default;
    user-select: none;
}

.matrix-node::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 1px;
    background: var(--clr-border);
    top: 50%;
    left: -20px;
}