:root {
    --bg-dark: #090d16;
    --card-bg: rgba(17, 25, 40, 0.65);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glow-indigo: rgba(99, 102, 241, 0.15);
    --accent-indigo: #6366f1;
    --accent-purple: #a855f7;
    --accent-green: #22c55e;
    --font-outfit: 'Outfit', sans-serif;
}

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

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

/* Ambient glow orbs */
.background-decor {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

#orb-1 {
    top: -10%;
    right: 10%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--accent-indigo) 0%, transparent 70%);
}

#orb-2 {
    bottom: -10%;
    left: 5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
}

.app-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Header */
.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 1.5rem;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.logo-text h1 {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.1rem;
}

.server-status-pill {
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.25);
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.server-status-pill.online {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: var(--accent-green);
}

.server-status-pill.offline {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #64748b;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.status-dot.pulsing {
    background-color: var(--accent-green);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
    animation: pulse 1.6s infinite;
}

.status-dot.error {
    background-color: #ef4444;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(34, 197, 94, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
    }
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    padding: 1.5rem;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.glass-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 0 15px 0 var(--glow-indigo);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.stat-icon {
    font-size: 1.8rem;
    padding: 0.6rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-content h3 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-content p {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-top: 0.25rem;
}

/* Dashboard Body Split */
.dashboard-body {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .dashboard-body {
        grid-template-columns: 1fr;
    }
}

.panel-header {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 1rem;
}

.panel-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

.panel-header p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
}

/* Chart Panel */
.main-chart-panel {
    display: flex;
    flex-direction: column;
}

.chart-container {
    position: relative;
    width: 100%;
    height: 380px;
}

/* Silos Panel */
.silos-panel {
    display: flex;
    flex-direction: column;
}

.silos-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow-y: auto;
    max-height: 400px;
}

.no-silos-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 4rem 1rem;
    text-align: center;
    color: var(--text-secondary);
}

.loader-spinner {
    width: 28px;
    height: 28px;
    border: 2.5px solid rgba(255, 255, 255, 0.1);
    border-top: 2.5px solid var(--accent-indigo);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Silo Card styling */
.silo-item-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.silo-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.silo-name {
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.silo-status-indicator {
    width: 6px;
    height: 6px;
    background-color: var(--accent-green);
    border-radius: 50%;
}

.silo-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-dp {
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.25);
}

.badge-plain {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
    border: 1px solid rgba(99, 102, 241, 0.25);
}

.silo-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.silo-detail-label {
    color: var(--text-secondary);
}

.silo-detail-val {
    font-weight: 500;
    color: #ffffff;
    text-align: right;
}

/* Header Controls & Logout Button */
.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logout-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    font-family: var(--font-outfit);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.5rem 1.1rem;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* Premium Login Overlay */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(6, 9, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    animation: fadeInOverlay 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInOverlay {
    from { opacity: 0; }
    to { opacity: 1; }
}

.login-card {
    width: 100%;
    max-width: 400px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.12);
    animation: scaleInCard 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes scaleInCard {
    from { transform: scale(0.92); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.login-card h2 {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(to right, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.login-card form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    text-align: left;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-group input {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: #ffffff;
    font-family: var(--font-outfit);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s ease;
}

.input-group input:focus {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-indigo);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.login-btn {
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-purple));
    border: none;
    border-radius: 8px;
    padding: 0.8rem;
    color: #ffffff;
    font-family: var(--font-outfit);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.login-btn:active {
    transform: translateY(1px);
}

.login-error-msg {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #f87171;
    font-size: 0.85rem;
    padding: 0.7rem;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}