/* Sıramatik - Global Stiller */

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #4CAF50;
    --danger-color: #f44336;
    --warning-color: #ff9800;
    --text-dark: #2c3e50;
    --text-light: #ecf0f1;
    --bg-light: #f5f7fa;
    --shadow: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-hover: 0 15px 40px rgba(0,0,0,0.15);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
}

/* Butonlar */
.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

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

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

/* Kartlar */
.card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    margin: 15px 0;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

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

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

.slide-in {
    animation: slideIn 0.5s ease-out;
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

/* Loading spinner */
.spinner {
    border: 4px solid rgba(0,0,0,0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Bağlantı göstergesi: sağ üst W/P (tüm sayfalarda, küçük) */
.connection-badges {
    position: fixed;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    z-index: 1000;
}
.connection-badge {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: bold;
    color: white;
    transition: background 0.3s, opacity 0.3s;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.connection-badge.active { background: #22c55e; opacity: 1; }
.connection-badge.inactive { background: #94a3b8; opacity: 0.5; }
.connection-badge.connecting { background: #f59e0b; opacity: 0.8; }