/* ===================================
   MODERN FORMS, MODALS & COMPONENTS
   Complete UI component library
   =================================== */

/* ===================================
   FORM ELEMENTS
   =================================== */

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    font-size: var(--font-size-sm);
}

.form-control,
.form-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-gray-700);
    background: var(--color-white);
    transition: all var(--transition-base);
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
    background: var(--color-white);
}

.form-control::placeholder {
    color: var(--color-gray-400);
}

.form-control:disabled,
.form-select:disabled {
    background-color: var(--color-gray-100);
    color: var(--color-gray-500);
    cursor: not-allowed;
}

/* Textarea */
textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Select styling */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%230d9488' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px 12px;
    padding-right: 36px;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
    transition: all var(--transition-base);
}

.form-check input[type="checkbox"]:hover,
.form-check input[type="radio"]:hover {
    transform: scale(1.1);
}

.form-check label {
    cursor: pointer;
    color: var(--color-gray-700);
    margin: 0;
    font-size: var(--font-size-sm);
}

/* Error state */
.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.invalid-feedback {
    display: block;
    color: var(--color-error);
    font-size: var(--font-size-xs);
    margin-top: 4px;
    font-weight: var(--font-weight-medium);
}

/* Success state */
.form-control.is-valid,
.form-select.is-valid {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.valid-feedback {
    display: block;
    color: var(--color-success);
    font-size: var(--font-size-xs);
    margin-top: 4px;
    font-weight: var(--font-weight-medium);
}

/* ===================================
   ALERTS
   =================================== */

.alert {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid transparent;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    animation: slideInRight var(--transition-slow);
}

.alert-primary {
    background: rgba(13, 148, 136, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
    color: var(--color-error);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

.alert i {
    font-size: var(--font-size-lg);
}

.alert button.close {
    background: none;
    border: none;
    color: inherit;
    font-size: var(--font-size-lg);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-base);
    margin-left: auto;
}

.alert button.close:hover {
    opacity: 1;
}

/* ===================================
   MODALS
   =================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn var(--transition-base);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: var(--space-lg);
    max-width: 500px;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: var(--color-white);
    background-clip: padding-box;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-title {
    margin: 0;
    line-height: 1.5;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: var(--space-lg);
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
}

.btn-close {
    background: transparent;
    border: 0;
    color: var(--color-gray-600);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    transition: color var(--transition-base);
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close:hover {
    color: var(--color-gray-900);
}

/* ===================================
   BADGE
   =================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
}

.badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.badge-secondary {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

/* ===================================
   CARD
   =================================== */

.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

.card-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
}

.card-body {
    padding: var(--space-lg);
}

.card-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

/* ===================================
   TABLE
   =================================== */

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead {
    background: var(--color-primary-light);
}

.table th {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-dark);
    border-bottom: 2px solid var(--color-primary);
}

.table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--color-gray-200);
    color: var(--color-gray-700);
}

.table tbody tr:hover {
    background: var(--color-gray-50);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ===================================
   SPINNER/LOADING
   =================================== */

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-gray-200);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* ===================================
   TOOLTIPS
   =================================== */

.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background-color: var(--color-gray-900);
    color: var(--color-white);
    text-align: center;
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity var(--transition-base);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* ===================================
   PROGRESS BAR
   =================================== */

.progress {
    width: 100%;
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transition: width 0.6s ease;
}

/* ===================================
   DROPDOWN MENU
   =================================== */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle::after {
    content: '';
    display: inline-block;
    margin-left: 8px;
    vertical-align: 0.255em;
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
    transition: transform var(--transition-base);
}

.dropdown-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    min-width: 200px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-top: var(--space-sm);
    overflow-y: auto;
    max-height: 300px;
}

.dropdown-menu.show {
    display: block;
    animation: slideInDown 0.3s ease-out;
}

.dropdown-item {
    display: block;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    color: var(--color-gray-700);
    text-decoration: none;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-base);
}

.dropdown-item:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.dropdown-divider {
    height: 0;
    margin: var(--space-sm) 0;
    overflow: hidden;
    border-top: 1px solid var(--color-gray-200);
}

/* ===================================
   RESPONSIVE ADJUSTMENTS
   =================================== */

@media (max-width: 768px) {
    .modal-dialog {
        max-width: calc(100% - 32px);
        margin: auto;
    }

    .table {
        font-size: var(--font-size-sm);
    }

    .table th,
    .table td {
        padding: var(--space-sm) var(--space-md);
    }
}