/* ============================================
   COMPONENTS CSS - Buttons, Forms, Cards
   ============================================ */

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-normal);
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    text-decoration: none;
    color: #FFFFFF;
}

.btn-secondary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #FFFFFF;
}

.btn-secondary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    text-decoration: none;
    color: #FFFFFF;
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
    text-decoration: none;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    min-height: 44px;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 51, 153, 0.1);
}

.form-control::placeholder {
    color: var(--color-text-light);
}

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

select.form-control {
    cursor: pointer;
}

.form-errors {
    margin-top: var(--spacing-xs);
    color: var(--color-accent);
    font-size: var(--font-size-sm);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

/* Cards */
.card {
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

/* Alerts */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.alert-success {
    background-color: #D4EDDA;
    border-color: #C3E6CB;
    color: #155724;
}

.alert-error {
    background-color: #F8D7DA;
    border-color: #F5C6CB;
    color: #721C24;
}

.alert-info {
    background-color: #D1ECF1;
    border-color: #BEE5EB;
    color: #0C5460;
}

.alert-warning {
    background-color: #FFF3CD;
    border-color: #FFEAA7;
    color: #856404;
}

.alert-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: 0;
    margin-left: var(--spacing-md);
    opacity: 0.7;
}

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

.messages-container {
    position: fixed;
    top: 80px;
    right: var(--spacing-md);
    z-index: var(--z-modal);
    max-width: 400px;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.page-info {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Section Titles */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    font-size: var(--font-size-3xl);
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-2xl);
}