/* ZoomPhone Management System - Styles */

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

header {
    background: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

h1 {
    color: #2d3748;
    font-size: 28px;
    margin-bottom: 10px;
}

.subtitle {
    color: #718096;
    font-size: 14px;
}

.kpi-banner {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 10px;
    margin-top: 15px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
}

/* Firebase Authentication */
.auth-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.auth-card {
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.auth-title {
    font-size: 28px;
    font-weight: bold;
    color: #2d3748;
    margin-bottom: 15px;
}

.auth-subtitle {
    color: #718096;
    margin-bottom: 30px;
    font-size: 14px;
}

.auth-btn {
    width: 100%;
    padding: 15px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.auth-btn:hover {
    border-color: #667eea;
    background: #f7fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.2);
}

.auth-logo {
    font-size: 64px;
    margin-bottom: 20px;
}

.user-info {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    color: #2d3748;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-left: 15px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #667eea;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.logout-btn {
    background: #fc8181;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.3s;
}

.logout-btn:hover {
    background: #f56565;
}

/* Cards */
.card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin-bottom: 25px;
}

.card h2 {
    color: #2d3748;
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #667eea;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, #4299e1 0%, #3182ce 100%);
    padding: 25px;
    border-radius: 12px;
    color: white;
    text-align: center;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 10px;
}

.stat-value {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 5px;
}

.stat-unit {
    font-size: 14px;
    opacity: 0.8;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 30px;
    background: #e2e8f0;
    border-radius: 15px;
    overflow: hidden;
    margin-top: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #48bb78 0%, #38a169 100%);
    transition: width 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    color: #a0aec0;
    font-size: 16px;
    background: #f7fafc;
    border-radius: 8px;
    border: 2px dashed #e2e8f0;
}

/* Error message */
.error {
    background: #fed7d7;
    color: #c53030;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #fc8181;
    margin-bottom: 20px;
}

/* Success message */
.success {
    background: #c6f6d5;
    color: #22543d;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #48bb78;
    margin-bottom: 20px;
}