@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    /* Dark Blue - Background */
    --bg-color: #030f24;
    
    /* Blue Spark - Primary */
    --primary-color: #1662f3;
    
    /* Ice Blue Mist - Secondary/Highlight */
    --secondary-color: #1e293b; /* Keeping dark slate for containers base */
    --highlight-color: #baddff;
    
    --text-color: #e2e8f0;
    --accent-color: #1662f3; /* Reusing Blue Spark as accent */
    
    --glass-bg: rgba(3, 15, 36, 0.8); /* Adapted to Dark Blue */
    --glass-border: rgba(186, 221, 255, 0.1); /* Adapted to Ice Blue Mist */
    
    --success-color: #10b981;
    --error-color: #ef4444;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: radial-gradient(at 0% 0%, rgba(22, 98, 243, 0.15) 0px, transparent 50%),
                      radial-gradient(at 100% 100%, rgba(186, 221, 255, 0.10) 0px, transparent 50%);
}

/* Glassmorphism Utilities */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
    box-sizing: border-box;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    margin-bottom: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary-color), var(--highlight-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 1.5rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--highlight-color);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: rgba(15, 23, 42, 0.5);
    color: var(--text-color);
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.3s;
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    border: none;
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s, box-shadow 0.2s;
    text-decoration: none;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(22, 98, 243, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    opacity: 0.95;
    box-shadow: 0 10px 15px -3px rgba(22, 98, 243, 0.4);
}

.btn-secondary {
    background: var(--secondary-color);
    border: 1px solid var(--glass-border);
}

/* Chat Interface */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 70vh;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    max-width: 70%;
    padding: 1rem;
    border-radius: 12px;
    line-height: 1.5;
    animation: fadeIn 0.3s ease-out;
}

.message.user {
    align-self: flex-end;
    background: var(--primary-color);
    color: white;
    border-bottom-right-radius: 2px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.message.model {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.05); /* Más sutil sobre fondo oscuro */
    border: 1px solid var(--glass-border);
    border-bottom-left-radius: 2px;
    color: var(--text-color);
}

.chat-input-area {
    padding: 1rem;
    display: flex;
    gap: 1rem;
    border-top: 1px solid var(--glass-border);
}

/* Dashboard & Reports */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.session-card {
    padding: 1.5rem;
    transition: transform 0.2s;
}

.session-card:hover {
    transform: translateY(-4px);
}

.score-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.875rem;
}

.score-high { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.score-med { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.score-low { background: rgba(239, 68, 68, 0.2); color: #f87171; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}