/* Tonkla LMS - Base Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

.tonkla-portal *, .tonkla-login-wrapper * {
    box-sizing: border-box;
}

.tonkla-portal, .tonkla-login-wrapper {
    font-family: var(--tonkla-font, 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    font-size: var(--tonkla-font-size, 16px);
    color: var(--tonkla-text, #1e293b);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.tonkla-portal {
    background: #f8fafc;
    min-height: 100vh;
}

/* Buttons */
.tonkla-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--tonkla-radius, 8px);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}
.tonkla-btn:hover { opacity: 0.9; }
.tonkla-btn:active { opacity: 0.85; }

.tonkla-btn-primary {
    background: var(--tonkla-primary, #6366f1);
    color: #fff;
}
.tonkla-btn-primary:hover { background: var(--tonkla-primary-dark, #4f46e5); opacity: 1; }

.tonkla-btn-secondary {
    background: var(--tonkla-secondary, #8b5cf6);
    color: #fff;
}

.tonkla-btn-success { background: var(--tonkla-success, #10b981); color: #fff; }
.tonkla-btn-warning { background: var(--tonkla-warning, #f59e0b); color: #fff; }
.tonkla-btn-danger { background: var(--tonkla-error, #ef4444); color: #fff; }

.tonkla-btn-outline {
    background: transparent;
    border: 1px solid var(--tonkla-primary, #6366f1);
    color: var(--tonkla-primary, #6366f1);
}
.tonkla-btn-outline:hover {
    background: var(--tonkla-primary, #6366f1);
    color: #fff;
}

.tonkla-btn-outline-sm {
    background: transparent;
    border: 1px solid #d1d5db;
    color: #64748b;
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 6px;
}
.tonkla-btn-outline-sm:hover { background: #f1f5f9; color: #1e293b; }

.tonkla-btn-ghost {
    background: transparent;
    color: var(--tonkla-text, #1e293b);
    padding: 8px 12px;
}
.tonkla-btn-ghost:hover { background: rgba(0,0,0,0.05); }

.tonkla-btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 8px; }
.tonkla-btn-lg { padding: 14px 28px; font-size: 16px; }
.tonkla-btn-icon { padding: 8px; border-radius: 8px; background: transparent; }
.tonkla-btn-icon:hover { background: rgba(0,0,0,0.05); }
.tonkla-btn-icon-sm { padding: 4px 8px; font-size: 13px; border: 1px solid #e2e8f0; border-radius: 6px; background: #fff; cursor: pointer; font-family: inherit; }
.tonkla-btn-icon-sm:hover { background: #f1f5f9; }

/* Inputs */
.tonkla-input, .tonkla-select, .tonkla-textarea {
    width: 100%;
    height: 42px;
    padding: 0 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    line-height: 38px;
    color: var(--tonkla-text, #1e293b);
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.tonkla-input:focus, .tonkla-select:focus, .tonkla-textarea:focus {
    outline: none;
    border-color: var(--tonkla-primary, #6366f1);
    box-shadow: 0 0 0 3px var(--tonkla-primary-light, rgba(99,102,241,0.12));
}
.tonkla-textarea {
    height: auto;
    min-height: 100px;
    padding: 10px 14px;
    line-height: 1.6;
    resize: vertical;
}
.tonkla-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%2364748b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}
.tonkla-input::placeholder { color: #94a3b8; }
.tonkla-input[type="number"] { -moz-appearance: textfield; }
.tonkla-input[type="color"] { padding: 4px; height: 42px; width: 42px; cursor: pointer; }

.tonkla-form-group { margin-bottom: 16px; }
.tonkla-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--tonkla-text, #1e293b);
    margin-bottom: 6px;
}
.tonkla-form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.tonkla-form-row > * { flex: 1; min-width: 200px; }

/* Cards */
.tonkla-card {
    background: var(--tonkla-card-bg, #fff);
    border-radius: var(--tonkla-radius, 8px);
    box-shadow: var(--tonkla-shadow, 0 1px 3px rgba(0,0,0,0.08));
    padding: 20px;
    transition: box-shadow 0.2s, transform 0.2s;
}
.tonkla-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.tonkla-card-clickable { cursor: pointer; }
.tonkla-card-clickable:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); }

/* Tags & Badges */
.tonkla-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.tonkla-badge-primary { background: var(--tonkla-primary-light); color: var(--tonkla-primary); }
.tonkla-badge-success { background: rgba(16,185,129,0.1); color: var(--tonkla-success); }
.tonkla-badge-warning { background: rgba(245,158,11,0.1); color: var(--tonkla-warning); }
.tonkla-badge-error { background: rgba(239,68,68,0.1); color: var(--tonkla-error); }

/* Progress bar */
.tonkla-progress { height: 6px; background: #e2e8f0; border-radius: 3px; overflow: hidden; }
.tonkla-progress-fill {
    height: 100%;
    background: var(--tonkla-primary, #6366f1);
    border-radius: 3px;
    transition: width 0.5s ease;
}

/* Tables */
.tonkla-table { width: 100%; border-collapse: collapse; }
.tonkla-table th, .tonkla-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid #e2e8f0; }
.tonkla-table th { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: #64748b; background: #f8fafc; }
.tonkla-table tr:hover td { background: #f8fafc; }

/* Toast */
.tonkla-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 24px;
    border-radius: var(--tonkla-radius, 8px);
    background: #1e293b;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 100000;
    animation: tonklaSlideUp 0.3s ease;
}
.tonkla-toast-success { background: var(--tonkla-success); }
.tonkla-toast-error { background: var(--tonkla-error); }

@keyframes tonklaSlideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Modal */
.tonkla-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: tonklaFadeIn 0.2s ease;
}
.tonkla-modal-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}
.tonkla-modal-content {
    position: relative;
    background: var(--tonkla-card-bg, #fff);
    border-radius: var(--tonkla-radius, 8px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    animation: tonklaSlideUp 0.3s ease;
}
.tonkla-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid #e2e8f0;
}
.tonkla-modal-header h3 { font-size: 18px; font-weight: 700; }
.tonkla-modal-close {
    width: 36px; height: 36px;
    border: none;
    background: transparent;
    font-size: 24px;
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
}
.tonkla-modal-close:hover { background: #f1f5f9; }
.tonkla-modal-body { padding: 24px; overflow-y: auto; flex: 1; }
.tonkla-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

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

/* Empty states */
.tonkla-empty {
    text-align: center;
    padding: 60px 20px;
    color: #94a3b8;
}
.tonkla-empty svg { margin-bottom: 16px; opacity: 0.5; }
.tonkla-empty h3 { font-size: 18px; color: #64748b; margin-bottom: 8px; }
.tonkla-empty p { font-size: 14px; }

/* Loading spinner */
.tonkla-spinner {
    display: inline-block;
    width: 24px; height: 24px;
    border: 3px solid #e2e8f0;
    border-top-color: var(--tonkla-primary, #6366f1);
    border-radius: 50%;
    animation: tonklaSpin 0.6s linear infinite;
}
@keyframes tonklaSpin { to { transform: rotate(360deg); } }

.tonkla-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    gap: 12px;
    color: #64748b;
}

/* Responsive */
@media (max-width: 768px) {
    .tonkla-form-row { flex-direction: column; }
    .tonkla-form-row > * { min-width: 100%; }
    .tonkla-modal-content { width: 95%; max-height: 90vh; }
}