:root {
    --primary: #00b894;
    --primary-dark: #00a884;
    --secondary: #0984e3;
    --accent: #fdcb6e;
    --bg-light: #f5f6fa;
    --bg-white: #ffffff;
    --text-dark: #2d3436;
    --text-muted: #636e72;
    --error: #d63031;
    --success: #00b894;
    --radius: 12px;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Auth Pages */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
}

.auth-card h1 {
    margin-bottom: 20px;
    text-align: center;
    color: var(--primary);
    font-weight: 700;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #dfe6e9;
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.1);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    width: 100%;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.auth-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 0.9rem;
}

.auth-footer a {
    color: var(--secondary);
    text-decoration: none;
}

/* Dashboard & Chat */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 20px;
    height: calc(100vh - 100px);
}

.chat-container {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    padding: 20px;
    border-bottom: 1px solid #dfe6e9;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    max-width: 80%;
    padding: 12px 18px;
    border-radius: var(--radius);
    font-size: 0.95rem;
}

.message.usuario {
    align-self: flex-end;
    background-color: var(--primary);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.acompañafit {
    align-self: flex-start;
    background-color: #f1f2f6;
    color: var(--text-dark);
    border-bottom-left-radius: 4px;
}

.chat-input-area {
    padding: 20px;
    border-top: 1px solid #dfe6e9;
}

.chat-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.btn-quick {
    background: #f1f2f6;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
}

.btn-quick:hover {
    background: var(--primary);
    color: white;
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: none;
    }
}