/* CRM - Minimalist & Profesyonel Ek Stiller */

/* Icon Stilleri - SVG ve Monokrom */
.icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.icon:hover {
    opacity: 1;
}

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

.icon-secondary {
    color: var(--text-light);
}

/* Butonlar - Daha Minimalist */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-outline:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Form Inputs - CRM Stili */
.form-input {
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
    outline: none;
}

.form-input::placeholder {
    color: var(--text-lighter);
}

/* Modal - CRM Stili */
.modal-content {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
}

.modal-content h2 {
    color: var(--text-color);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.25px;
}

.close {
    color: var(--text-light);
    font-size: 24px;
    font-weight: 300;
}

.close:hover {
    color: var(--text-color);
}

/* Lesson Cards */
.lessons-list {
    display: grid;
    gap: 1rem;
}

.lesson-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.lesson-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.lesson-time {
    font-size: 0.75rem;
    color: var(--text-lighter);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.lesson-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    letter-spacing: -0.25px;
}

.lesson-meta {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* Badge Stilleri */
.room-type-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.participant-count {
    font-size: 0.8125rem;
    color: var(--text-light);
    font-weight: 500;
}

/* Loading States */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.loading h1 {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.loading p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Error & Success Messages - CRM Stili */
.error-message {
    background: #FEF2F2;
    color: #991B1B;
    padding: 0.875rem 1rem;
    border-radius: 6px;
    border: 1px solid #FECACA;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.success-message {
    background: #F0FDF4;
    color: #166534;
    padding: 0.875rem 1rem;
    border-radius: 6px;
    border: 1px solid #BBF7D0;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Table Stilleri (Gelecekte kullanılabilir) */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead {
    background: var(--bg-secondary);
}

.table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
    font-size: 0.875rem;
}

.table tbody tr:hover {
    background: var(--bg-secondary);
}

/* Divider */
.divider {
    height: 1px;
    background: var(--border-color);
    margin: 1.5rem 0;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.empty-state-icon {
    font-size: 3rem;
    opacity: 0.3;
    margin-bottom: 1rem;
    filter: grayscale(100%);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.empty-state-text {
    font-size: 0.875rem;
    color: var(--text-light);
}