/* public/css/style.css */

/* Core Design System Tokens */
:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(17, 24, 39, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    
    /* Curated agriculture (green) and water (blue/cyan) accents */
    --primary: #10b981;
    --primary-glow: rgba(16, 185, 129, 0.3);
    --secondary: #0ea5e9;
    --secondary-glow: rgba(14, 165, 233, 0.3);
    
    --accent-gradient: linear-gradient(135deg, #10b981 0%, #0ea5e9 100%);
    --bg-mesh-1: radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 40%);
    --bg-mesh-2: radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.08) 0%, transparent 40%);
    
    --error: #f43f5e;
    --success: #10b981;
    --warning: #f59e0b;
    --radius-lg: 16px;
    --radius-md: 12px;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light mode overrides */
body.light-mode {
    --bg-main: #f0f2f5;
    --bg-card: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.06);
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --primary-glow: rgba(16, 185, 129, 0.15);
    --secondary-glow: rgba(14, 165, 233, 0.15);
    --bg-mesh-1: radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    --bg-mesh-2: radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.05) 0%, transparent 50%);
}

/* General Resets & Layout */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Glowing Mesh Background Animations */
.background-mesh {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image: var(--bg-mesh-1), var(--bg-mesh-2);
    pointer-events: none;
}

/* Settings Panel (Language and Theme) */
.settings-panel {
    position: absolute;
    top: 24px;
    right: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 100;
}

.lang-switch {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    padding: 3px;
    border-radius: 20px;
}

.lang-switch a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.lang-switch a.active {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.2);
}

.settings-btn {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(12px);
    transition: var(--transition-smooth);
}

.settings-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: scale(1.05);
}

/* Authentication Layout */
.auth-container {
    width: 100%;
    max-width: 440px;
    padding: 20px;
    margin: 40px auto;
    z-index: 10;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(16px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transform: translateY(0);
    transition: var(--transition-smooth);
    animation: fadeInDown 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-card:hover {
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), 
                0 0 30px var(--primary-glow);
}

/* Card Header & Brand */
.auth-header {
    padding: 36px 36px 20px;
    text-align: center;
    position: relative;
}

.brand-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.brand-logo-glow {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
    animation: pulseGlow 3s infinite alternate;
}

.brand-logo-glow i {
    font-size: 28px;
    color: #fff;
}

.brand-name {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 1px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 8px;
}

.auth-desc {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 6px;
    font-weight: 400;
}

/* Forms & Inputs */
.auth-body {
    padding: 0 36px 36px;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon-left {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    font-size: 16px;
    transition: var(--transition-smooth);
}

.input-icon-right {
    position: absolute;
    right: 14px;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition-smooth);
}

.input-icon-right:hover {
    color: var(--primary);
}

.form-control {
    width: 100%;
    padding: 12px 14px 12px 42px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-main);
    font-size: 15px;
    font-family: var(--font-sans);
    outline: none;
    transition: var(--transition-smooth);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
    background: rgba(0, 0, 0, 0.3);
}

/* Adjust padding if input has right icon (like password toggle) */
.form-control.has-toggle {
    padding-right: 42px;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: shake 0.4s ease;
}

.alert-error {
    background: rgba(244, 63, 94, 0.15);
    border: 1px solid rgba(244, 63, 94, 0.3);
    color: #fda4af;
}

.alert-success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #a7f3d0;
}

/* Premium Buttons */
.btn-primary {
    width: 100%;
    padding: 14px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 14px var(--primary-glow);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    opacity: 0.95;
}

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

/* Footer / Switch links */
.auth-footer-links {
    margin-top: 24px;
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
}

.auth-footer-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    margin-left: 4px;
    transition: var(--transition-smooth);
}

.auth-footer-links a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

/* Main Dashboard Styling (Premium Layout) */
.dashboard-container {
    width: 100%;
    max-width: 1100px;
    padding: 24px;
    z-index: 10;
    animation: fadeIn 0.8s ease;
}

.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    padding: 32px;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 24px;
    margin-bottom: 30px;
}

.dashboard-user-info h1 {
    font-size: 26px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dashboard-user-info p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

.btn-logout {
    padding: 10px 18px;
    background: rgba(244, 63, 94, 0.15);
    border: 1px solid rgba(244, 63, 94, 0.3);
    border-radius: var(--radius-md);
    color: #fda4af;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-logout:hover {
    background: var(--error);
    color: #fff;
    box-shadow: 0 4px 15px rgba(244, 63, 94, 0.4);
    transform: translateY(-1px);
}

/* Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.stat-card {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: rgba(16, 185, 129, 0.2);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}

.stat-icon.water {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    box-shadow: 0 6px 15px rgba(14, 165, 233, 0.3);
}

.stat-icon.soil {
    background: linear-gradient(135deg, #84cc16, #65a30d);
    box-shadow: 0 6px 15px rgba(132, 204, 22, 0.3);
}

.stat-icon.valve {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 6px 15px rgba(16, 185, 129, 0.3);
}

.stat-details h3 {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.stat-details .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
}

.badge-status {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
}

.badge-status.active {
    background: rgba(16, 185, 129, 0.15);
    color: #a7f3d0;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulseGlow {
    0% {
        box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
    }
    100% {
        box-shadow: 0 8px 30px rgba(14, 165, 233, 0.6);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Responsiveness */
@media (max-width: 640px) {
    .settings-panel {
        top: 16px;
        right: 16px;
    }
    .auth-card {
        border-radius: var(--radius-md);
    }
    .auth-header {
        padding: 28px 24px 16px;
    }
    .auth-body {
        padding: 0 24px 28px;
    }
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    .btn-logout {
        width: 100%;
        justify-content: center;
    }
}