/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: var(--button-padding-y) var(--button-padding-x);
    background: var(--color-primary);
    color: white !important;
    border-radius: var(--button-radius);
    font-weight: var(--button-font-weight);
    font-size: var(--font-size-base);
    border: none;
    cursor: pointer;
    transition: var(--transition-all);
    text-align: center;
    text-decoration: none;
}

/* Ensure <a> tags with .btn class also have white text */
a.btn {
    color: white !important;
}

.btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Button variants */
.btn-secondary {
    background: var(--color-text-tertiary);
}

.btn-secondary:hover {
    background: var(--color-text-secondary);
}

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

.btn-accent:hover {
    background: var(--color-accent-dark);
}

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

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

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

.btn-danger:hover {
    background: var(--color-error-dark);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
}

/* Button sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

/* ========================================
   CARDS
   ======================================== */

.card {
    background: var(--color-bg-secondary);
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    box-shadow: var(--card-shadow);
    transition: var(--transition-all);
}

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

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.card-body {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ========================================
   FORMS
   ======================================== */

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
}

.form-control, input[type="text"], input[type="email"],
input[type="password"], input[type="url"], input[type="number"],
textarea, select {
    width: 100%;
    padding: var(--input-padding-y) var(--input-padding-x);
    font-size: var(--input-font-size);
    border: var(--input-border-width) solid var(--color-border-primary);
    border-radius: var(--input-radius);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    transition: var(--transition-all);
}

.form-control:focus, input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus-primary);
}

/* Form validation styles */
input:invalid:not(:placeholder-shown):not([type="password"]),
textarea:invalid:not(:placeholder-shown) {
    border-color: var(--color-error);
    background-color: rgba(239, 68, 68, 0.05);
}

input:valid:not(:placeholder-shown):not([type="password"]),
textarea:valid:not(:placeholder-shown) {
    border-color: var(--color-success);
}

/* Password inputs - NO red background */
input[type="password"] {
    background: var(--color-bg-secondary) !important;
}

input[type="password"]:focus {
    border-color: var(--color-primary) !important;
    box-shadow: var(--shadow-focus-primary) !important;
}

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

/* Select */
select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667eea' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Checkbox and Radio */
input[type="checkbox"], input[type="radio"] {
    width: auto;
    margin-right: var(--space-2);
    cursor: pointer;
}

/* ========================================
   BADGES & LABELS
   ======================================== */

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: white;
}

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

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

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

.badge-secondary {
    background: var(--color-text-tertiary);
}

/* ========================================
   ALERTS & MESSAGES
   ======================================== */

.alert {
    padding: var(--space-4);
    border-radius: var(--radius-base);
    margin-bottom: var(--space-4);
    border-left: 4px solid;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--color-info);
    color: var(--color-info-dark);
}

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

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

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

/* ========================================
   TABLES
   ======================================== */

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-6);
}

thead {
    background: var(--color-bg-tertiary);
}

th, td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: var(--border-width-thin) solid var(--color-border-primary);
}

th {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

td {
    color: var(--color-text-secondary);
}

tr:hover {
    background: var(--color-bg-tertiary);
}

/* ========================================
   PAGINATION
   ======================================== */

.pagination {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    align-items: center;
    margin: var(--space-8) 0;
}

.pagination a, .pagination span {
    padding: var(--space-2) var(--space-4);
    border: var(--border-width-thin) solid var(--color-border-primary);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: var(--transition-all);
}

.pagination a:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.pagination .active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

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

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-index-modal-backdrop);
}

.modal {
    background: var(--color-bg-secondary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 90%;
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-index-modal);
}

.modal-header {
    margin-bottom: var(--space-6);
}

.modal-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.modal-body {
    margin-bottom: var(--space-6);
}

.modal-footer {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-end;
}

/* Add this to your existing components.css */

.follow-btn {
    padding: var(--button-padding-y) var(--button-padding-x);
    border-radius: var(--button-radius);
    font-weight: var(--button-font-weight);
    cursor: pointer;
    transition: var(--transition-all);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.follow-btn.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: loading 1.5s infinite;
}

@keyframes loading {
    from { transform: translateX(-100%); }
    to { transform: translateX(100%); }
}

.follow-btn.following:hover {
    background-color: var(--color-error-light) !important;
    border-color: var(--color-error) !important;
}

[data-followers-count].pulse {
    animation: pulse 0.5s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-base);
    background: white;
    box-shadow: var(--shadow-lg);
    transform: translateY(100%);
    opacity: 0;
    transition: var(--transition-transform), var(--transition-opacity);
    z-index: var(--z-index-toast);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

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

.toast-error {
    background: var(--color-error);
    color: white;
}