:root {
    --accent: #1C9768;
    --accent-muted: rgba(212, 247, 236, 0.65);
    --accent-dark: #027d56;
    --accent-glow: rgba(28, 151, 104, 0.35);
    --body-color: #464646;
    --heading-color: #030303;
    --page-bg: #F5F5F5;
    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-bg-strong: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.65);
    --glass-border-subtle: rgba(255, 255, 255, 0.35);
    --border-color: rgba(223, 223, 224, 0.6);
    --error-bg: rgba(254, 242, 242, 0.85);
    --error-color: #dc2626;
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-glass: 0 8px 32px rgba(28, 151, 104, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    --radius: 16px;
    --radius-sm: 10px;
    --font: "DM Sans", system-ui, sans-serif;
    --blur: 16px;
    --transition: 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    color: var(--body-color);
    line-height: 1.5;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Background layers */

.page-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.page-bg-image {
    position: absolute;
    inset: 0;
    background: url("../images/background.png") center center / cover no-repeat;
    transform: scale(1.02);
}

.page-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.35) 0%,
        rgba(245, 250, 248, 0.25) 50%,
        rgba(255, 255, 255, 0.4) 100%
    );
}

.page-bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: glow-drift 12s ease-in-out infinite alternate;
}

.page-bg-glow--top {
    width: 480px;
    height: 480px;
    top: -120px;
    left: -80px;
    background: rgba(28, 151, 104, 0.15);
}

.page-bg-glow--bottom {
    width: 560px;
    height: 560px;
    bottom: -160px;
    right: -100px;
    background: rgba(28, 151, 104, 0.1);
    animation-delay: -6s;
}

.page-content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

@keyframes glow-drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 20px) scale(1.08); }
}

@keyframes fade-up {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll reveal — hidden only after JS adds .reveal-pending */

.reveal.reveal-pending {
    opacity: 0;
    transform: translateY(28px);
}

.reveal {
    transition:
        opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: opacity, transform;
}

.reveal.reveal-pending.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.glass-card.reveal.reveal-pending.is-visible:hover {
    transform: translateY(-3px);
}

@keyframes pulse-ring {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(28, 151, 104, 0.5);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(28, 151, 104, 0);
    }
}

/* Glass panels */

.glass-panel {
    background: var(--glass-bg-strong);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border-subtle);
    box-shadow: var(--shadow-glass);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.glass-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(28, 151, 104, 0.12);
    border-color: rgba(28, 151, 104, 0.25);
}

/* Login page */

.login-page .page-content {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1.5rem;
}

.login-container {
    width: 100%;
    max-width: 440px;
    animation: fade-up 0.7s var(--transition) both;
}

.login-card {
    border-radius: var(--radius);
    overflow: hidden;
}

.window-chrome {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.65rem 1rem;
    background: rgba(0, 0, 0, 0.88);
}

.window-chrome--top {
    border-radius: var(--radius) var(--radius) 0 0;
}

.window-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    opacity: 0.9;
}

.login-card-body {
    padding: 2.25rem 2rem 2.5rem;
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.brand-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(28, 151, 104, 0.2));
}

.login-brand h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--heading-color);
    letter-spacing: -0.02em;
}

.login-subtitle {
    color: var(--body-color);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.login-error {
    background: var(--error-bg);
    backdrop-filter: blur(8px);
    color: var(--error-color);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    border: 1px solid rgba(220, 38, 38, 0.15);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--heading-color);
}

.form-group input {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 0 0 3px var(--accent-muted);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 0.5rem;
    box-shadow: 0 4px 14px var(--accent-glow);
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--accent-glow);
    filter: brightness(1.05);
}

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

/* Dashboard */

.dashboard-page .page-content {
    padding: 1.25rem;
    min-height: 100vh;
}

.dashboard-shell {
    max-width: 1200px;
    margin: 0 auto;
    min-height: calc(100vh - 2.5rem);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.dashboard-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    padding: 0.875rem 1.5rem;
    background: rgba(255, 255, 255, 0.55);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border-subtle);
}

.topbar-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.topbar-welcome {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--heading-color);
}

.dashboard-header {
    background: rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border-subtle);
    padding: 0 1.5rem;
}

.nav-tabs {
    display: flex;
    gap: 0.25rem;
    overflow-x: auto;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.25rem;
    text-decoration: none;
    color: var(--body-color);
    font-weight: 500;
    font-size: 0.9rem;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.nav-tab:hover {
    color: var(--accent);
    background: rgba(28, 151, 104, 0.06);
}

.nav-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
    background: rgba(28, 151, 104, 0.08);
}

.dashboard-main {
    flex: 1;
    padding: 2rem 1.5rem;
    width: 100%;
}

.hero-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--heading-color);
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.8);
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.summary-card {
    border-radius: var(--radius);
    padding: 1.5rem;
}

.summary-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--heading-color);
    letter-spacing: -0.02em;
}

.summary-label {
    font-size: 0.875rem;
    color: var(--body-color);
    margin-top: 0.25rem;
}

.asset-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.asset-card {
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.asset-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.asset-icon {
    font-size: 1.25rem;
}

.asset-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--heading-color);
}

.asset-metric {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading-color);
    letter-spacing: -0.02em;
}

.asset-metric-label {
    font-size: 0.875rem;
    color: var(--body-color);
}

.asset-status {
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 500;
    margin-top: 0.5rem;
}

.asset-detail {
    font-size: 0.875rem;
    color: var(--body-color);
}

.asset-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
    margin-top: 0.75rem;
    transition: color var(--transition), letter-spacing var(--transition);
}

.asset-link:hover {
    color: var(--accent-dark);
    letter-spacing: 0.02em;
}

.tab-external-link {
    margin-top: 1.5rem;
    padding-top: 0.5rem;
}

.asset-link--cta {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background: rgba(28, 151, 104, 0.1);
    border: 1px solid rgba(28, 151, 104, 0.25);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.asset-link--cta:hover {
    background: rgba(28, 151, 104, 0.18);
    border-color: var(--accent);
    transform: translateY(-1px);
    text-decoration: none;
}

.status-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-ring 2s ease-in-out infinite;
}

.logout-form {
    display: inline;
}

.btn-logout {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(8px);
    border: 1px solid var(--border-color);
    color: var(--body-color);
    padding: 0.4rem 0.875rem;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition), background var(--transition), transform var(--transition);
}

.btn-logout:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(255, 255, 255, 0.75);
    transform: translateY(-1px);
}

@media (max-width: 900px) {
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .asset-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .dashboard-page .page-content {
        padding: 0.75rem;
    }

    .dashboard-shell {
        min-height: calc(100vh - 1.5rem);
        border-radius: var(--radius-sm);
    }

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .asset-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar-user {
        margin-left: 0;
        width: 100%;
        justify-content: space-between;
    }

    .page-bg-glow--top,
    .page-bg-glow--bottom {
        opacity: 0.3;
    }
}

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

    .reveal.reveal-pending {
        opacity: 1;
        transform: none;
    }
}