/**
 * Sketchfy — Base Stylesheet
 *
 * Global styles loaded on every page. Contains the CSS reset,
 * typography, layout utilities, header, navigation, buttons,
 * forms, cards, alerts, pagination, tables, and footer.
 *
 * @package   Sketchfy/Styles
 * @version   0.1-alpha
 * @author    Julio Marchi <jcmarchi@qlinnovations.com>
 * @copyright Quantum Leap Innovations (https://www.qlinnovations.com)
 * @link      https://www.sketchfy.com
 * @license   Proprietary, Exclusive
 */

/* ==========================================================================
   1. RESET & BOX MODEL
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--sf-text-color);
    background: var(--sf-bg-workspace);
    min-height: 100vh;
}

a { color: var(--sf-accent); text-decoration: none; }
a:hover { color: var(--sf-accent-active); text-decoration: underline; }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }

/* ==========================================================================
   2. UTILITIES
   ========================================================================== */
.sf-hidden  { display: none !important; }
.sf-text-danger { color: var(--sf-danger); }
.sf-text-muted  { color: var(--sf-text-muted); }
.sf-link { color: var(--sf-accent); }
.sf-link:hover { text-decoration: underline; }

/* ==========================================================================
   3. HEADER & NAVIGATION
   ========================================================================== */
.sf-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    padding: 0 24px;
    background: var(--sf-bg-surface);
    border-bottom: 1px solid var(--sf-border-color-light);
    position: sticky;
    top: 0;
    z-index: 50;
}
.sf-header-left { display: flex; align-items: center; gap: 24px; }
.sf-header-nav  { display: flex; gap: 8px; }
.sf-header-right { display: flex; align-items: center; gap: 12px; }

.sf-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.sf-logo-icon {
    width: 32px; height: 32px; border-radius: 8px;
    background: linear-gradient(135deg, #4a6cf7, #6e3adb);
    color: #fff; font-weight: 700; font-size: 1rem;
    display: flex; align-items: center; justify-content: center;
}
.sf-logo-icon-lg {
    width: 56px; height: 56px; border-radius: 14px;
    font-size: 1.5rem;
}
.sf-logo-icon-sm {
    width: 26px; height: 26px; border-radius: 6px;
    font-size: 0.75rem;
}
.sf-logo-text { font-weight: 700; font-size: 1.125rem; color: var(--sf-text-color); }

.sf-nav-link {
    padding: 6px 14px; border-radius: 6px; color: var(--sf-text-secondary);
    font-weight: 500; font-size: 0.875rem; text-decoration: none;
    transition: background 0.15s, color 0.15s;
}
.sf-nav-link:hover { background: var(--sf-bg-hover); color: var(--sf-text-color); text-decoration: none; }
.sf-nav-admin { color: #6e3adb; }

/* ==========================================================================
   4. USER MENU & DROPDOWN
   ========================================================================== */
.sf-user-menu { position: relative; }
.sf-user-trigger {
    display: flex; align-items: center; gap: 8px;
    background: none; border: none; cursor: pointer; padding: 4px 8px;
    border-radius: 8px; transition: background 0.15s;
}
.sf-user-trigger:hover { background: var(--sf-bg-hover); }

.sf-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: linear-gradient(135deg, #4a6cf7, #6e3adb);
    color: #fff; font-weight: 600; font-size: 0.8rem;
    display: flex; align-items: center; justify-content: center;
}
.sf-user-name { font-weight: 500; font-size: 0.875rem; color: var(--sf-text-secondary); }

.sf-user-menu .sf-dropdown {
    position: absolute; top: calc(100% + 8px); right: 0;
    min-width: 200px; background: var(--sf-bg-surface);
    border: 1px solid var(--sf-border-color-light); border-radius: 10px;
    box-shadow: var(--sf-shadow-dropdown);
    display: none; z-index: 100;
    padding: 6px 0;
}
.sf-user-menu .sf-dropdown.sf-dropdown-open { display: block; }
.sf-dropdown-header {
    padding: 10px 16px; font-size: 0.8rem; color: var(--sf-text-muted);
    border-bottom: 1px solid var(--sf-border-color-light);
}
.sf-dropdown-item {
    display: block; padding: 8px 16px;
    color: var(--sf-text-color); font-size: 0.875rem;
    text-decoration: none; transition: background 0.1s;
    background: none; border: none; width: 100%; text-align: left;
    cursor: pointer; font-family: inherit;
}
.sf-dropdown-item:hover { background: var(--sf-bg-hover); text-decoration: none; }
.sf-dropdown-item-sm { padding: 5px 16px 5px 28px; font-size: 0.8rem; }
.sf-dropdown-item.sf-active { color: var(--sf-accent); font-weight: 600; }
.sf-dropdown-submenu { border-top: 1px solid var(--sf-border-color-light); padding: 4px 0; }
.sf-dropdown-sublabel {
    display: block; padding: 6px 16px 2px; font-size: 0.75rem;
    color: var(--sf-text-muted); text-transform: uppercase;
    letter-spacing: 0.03em; font-weight: 600;
}

/* ==========================================================================
   5. IMPERSONATION BAR
   ========================================================================== */
.sf-impersonation-bar {
    background: #fef3c7; color: #92400e;
    padding: 8px 24px; font-size: 0.85rem; font-weight: 500;
    display: flex; align-items: center; justify-content: space-between;
}

/* ==========================================================================
   6. MAIN CONTENT
   ========================================================================== */
.sf-main {
    max-width: 1200px; margin: 0 auto;
    padding: 32px 24px;
}

/* ==========================================================================
   7. BUTTONS
   ========================================================================== */
.sf-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 20px; border-radius: 8px;
    font-weight: 600; font-size: 0.875rem;
    border: none; cursor: pointer;
    transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
    text-decoration: none; line-height: 1.4;
}
.sf-btn:hover { transform: translateY(-1px); text-decoration: none; }
.sf-btn:active { transform: translateY(0); }

.sf-btn-primary   { background: var(--sf-accent); color: #fff; }
.sf-btn-primary:hover { background: var(--sf-accent-active); color: #fff; box-shadow: 0 4px 14px rgba(74,108,247,0.35); }
.sf-btn-secondary { background: var(--sf-border-color-light); color: var(--sf-text-color); }
.sf-btn-secondary:hover { background: var(--sf-border-color); color: var(--sf-text-color); }
.sf-btn-danger    { background: var(--sf-danger); color: #fff; }
.sf-btn-danger:hover { background: #c0392b; color: #fff; }
.sf-btn-warning   { background: var(--sf-warning); color: #fff; }
.sf-btn-warning:hover { background: #d97706; color: #fff; }
.sf-btn-success   { background: var(--sf-success); color: #fff; }
.sf-btn-success:hover { background: #059669; color: #fff; }
.sf-btn-ghost { background: transparent; color: var(--sf-accent); border: 1px solid var(--sf-border-color-light); }
.sf-btn-ghost:hover { background: var(--sf-bg-hover); }

.sf-btn-sm { padding: 6px 14px; font-size: 0.8rem; border-radius: 6px; }
.sf-btn-xs { padding: 4px 10px; font-size: 0.75rem; border-radius: 5px; }
.sf-btn-block { width: 100%; }
.sf-btn:disabled, .sf-btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ==========================================================================
   8. FORMS
   ========================================================================== */
.sf-form { width: 100%; }
.sf-form-card {
    background: var(--sf-bg-surface); border-radius: 12px;
    padding: 28px; border: 1px solid var(--sf-border-color-light);
}
.sf-form-group { margin-bottom: 18px; }
.sf-form-row { display: flex; gap: 16px; }
.sf-form-row-between { display: flex; justify-content: space-between; align-items: center; }
.sf-form-half { flex: 1; min-width: 0; }
.sf-form-third { flex: 0 0 calc(33.333% - 11px); min-width: 0; }
.sf-form-actions { display: flex; gap: 12px; margin-top: 24px; }
.sf-form-info {
    background: var(--sf-bg-surface-raised); border-radius: 8px;
    padding: 14px 18px; font-size: 0.85rem;
    color: var(--sf-text-muted);
}

.sf-label {
    display: block; font-weight: 600; font-size: 0.8rem;
    color: var(--sf-text-color); margin-bottom: 6px;
    text-transform: uppercase; letter-spacing: 0.03em;
}

.sf-input, .sf-select {
    width: 100%; padding: 10px 14px;
    border: 1px solid var(--sf-border-color); border-radius: 8px;
    background: var(--sf-bg-input); color: var(--sf-text-color);
    font-size: 0.9rem; transition: border-color 0.15s, box-shadow 0.15s;
}
.sf-input:focus, .sf-select:focus {
    outline: none; border-color: var(--sf-border-color-focus);
    box-shadow: 0 0 0 3px var(--sf-accent-bg);
}
.sf-input.sf-textarea { min-height: 100px; resize: vertical; }
.sf-input-sm, .sf-select-sm { padding: 6px 10px; font-size: 0.8rem; border-radius: 6px; }
.sf-input-xs { padding: 4px 8px; font-size: 0.75rem; border-radius: 5px; }

.sf-checkbox {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.875rem; cursor: pointer;
}
.sf-checkbox input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--sf-accent); }

/* ==========================================================================
   9. ALERTS
   ========================================================================== */
.sf-alert {
    padding: 14px 18px; border-radius: 8px;
    margin-bottom: 20px; font-size: 0.875rem;
    display: flex; align-items: flex-start; justify-content: space-between;
    gap: 12px;
}
.sf-alert-info    { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }
.sf-alert-success { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.sf-alert-warning { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }
.sf-alert-error   { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.sf-alert-close {
    background: none; border: none;
    font-size: 1.2rem; cursor: pointer; opacity: 0.6;
    padding: 0 4px; line-height: 1;
}
.sf-alert-close:hover { opacity: 1; }
.sf-error-list { padding-left: 18px; list-style: disc; margin-top: 6px; }
.sf-error-list li { margin-bottom: 2px; }

/* ==========================================================================
   10. TABLES
   ========================================================================== */
.sf-table {
    width: 100%; border-collapse: collapse;
    background: var(--sf-bg-surface); border-radius: 10px;
    overflow: hidden; border: 1px solid var(--sf-border-color-light);
}
.sf-table th, .sf-table td { padding: 12px 16px; text-align: left; }
.sf-table thead th {
    background: var(--sf-bg-surface-raised); font-weight: 600;
    font-size: 0.8rem; text-transform: uppercase;
    letter-spacing: 0.03em; color: var(--sf-text-muted);
    border-bottom: 1px solid var(--sf-border-color-light);
}
.sf-table tbody tr { border-bottom: 1px solid var(--sf-border-color-light); transition: background 0.1s; }
.sf-table tbody tr:hover { background: var(--sf-bg-hover); }
.sf-table tbody tr:last-child { border-bottom: none; }

/* ==========================================================================
   11. BADGES
   ========================================================================== */
.sf-badge {
    display: inline-flex; align-items: center;
    padding: 3px 10px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 600;
    text-transform: capitalize;
}
.sf-badge-super_admin { background: #fae8ff; color: #86198f; }
.sf-badge-admin       { background: #eff6ff; color: #1d4ed8; }
.sf-badge-user        { background: #f0f1f5; color: #4b5563; }
.sf-badge-active      { background: #ecfdf5; color: #065f46; }
.sf-badge-suspended   { background: #fef2f2; color: #991b1b; }
.sf-badge-inactive    { background: #fffbeb; color: #92400e; }

/* ==========================================================================
   12. DASHBOARD
   ========================================================================== */
.sf-dashboard { width: 100%; }
.sf-dashboard-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 28px;
}
.sf-dashboard-header h1 { font-size: 1.5rem; font-weight: 700; }

.sf-stats-row {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px; margin-bottom: 32px;
}
.sf-stat-card {
    background: var(--sf-bg-surface); border-radius: 10px;
    padding: 20px 22px; border: 1px solid var(--sf-border-color-light);
    transition: box-shadow 0.15s;
}
.sf-stat-card:hover { box-shadow: var(--sf-shadow-md); }
.sf-stat-number { font-size: 1.75rem; font-weight: 700; color: var(--sf-accent); }
.sf-stat-label  { font-size: 0.8rem; color: var(--sf-text-muted); margin-top: 2px; }

.sf-section { margin-bottom: 36px; }
.sf-section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 18px;
}
.sf-section-header h2 { font-size: 1.15rem; font-weight: 700; }

/* ==========================================================================
   13. EMPTY STATE
   ========================================================================== */
.sf-empty-state {
    text-align: center; padding: 48px 24px;
    color: var(--sf-text-muted);
}
.sf-empty-icon { font-size: 2.5rem; margin-bottom: 12px; opacity: 0.5; }
.sf-empty-state p { margin-bottom: 16px; }

/* ==========================================================================
   14. PROJECTS GRID
   ========================================================================== */
.sf-project-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.sf-project-card {
    background: var(--sf-bg-surface); border-radius: 12px;
    border: 1px solid var(--sf-border-color-light); overflow: hidden;
    transition: box-shadow 0.15s, transform 0.15s;
}
.sf-project-card:hover { box-shadow: var(--sf-shadow-md); transform: translateY(-2px); }

.sf-project-thumb {
    height: 160px; background: var(--sf-bg-surface-raised);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.sf-project-thumb img { width: 100%; height: 100%; object-fit: cover; }
.sf-project-thumb-placeholder { font-size: 2rem; opacity: 0.25; }

.sf-project-info { padding: 16px; }
.sf-project-name { font-weight: 600; font-size: 0.95rem; margin-bottom: 4px; }
.sf-project-meta { font-size: 0.8rem; color: var(--sf-text-muted); }
.sf-project-actions {
    display: flex; gap: 8px; padding: 12px 16px;
    border-top: 1px solid var(--sf-border-color-light);
}

/* ==========================================================================
   15. PROJECT TYPE SELECTOR
   ========================================================================== */
.sf-type-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px; margin-top: 10px;
}
.sf-type-card {
    padding: 14px; border-radius: 10px;
    border: 2px solid var(--sf-border-color-light); cursor: pointer;
    text-align: center; transition: border-color 0.15s, background 0.15s;
}
.sf-type-card:hover { border-color: #a5b4fc; background: var(--sf-bg-hover); }
.sf-type-card input[type="radio"] { display: none; }
.sf-type-card input[type="radio"]:checked + .sf-type-label { color: var(--sf-accent); font-weight: 700; }
.sf-type-card:has(input:checked) { border-color: var(--sf-accent); background: var(--sf-accent-bg); }
.sf-type-label { font-size: 0.85rem; font-weight: 500; color: var(--sf-text-color); }

/* ==========================================================================
   16. FILTERS
   ========================================================================== */
.sf-filters { margin-bottom: 24px; }
.sf-filter-form {
    display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
}

/* ==========================================================================
   17. PAGINATION
   ========================================================================== */
.sf-pagination { display: flex; gap: 4px; margin-top: 24px; justify-content: center; }
.sf-page-link {
    padding: 6px 12px; border-radius: 6px;
    font-size: 0.85rem; font-weight: 500;
    color: var(--sf-text-secondary); text-decoration: none;
    border: 1px solid var(--sf-border-color-light); transition: background 0.15s;
}
.sf-page-link:hover { background: var(--sf-bg-hover); text-decoration: none; }
.sf-page-active { background: var(--sf-accent); color: #fff; border-color: var(--sf-accent); }

/* ==========================================================================
   18. ERROR PAGES
   ========================================================================== */
.sf-error-page {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    min-height: 60vh; text-align: center; padding: 40px;
}
.sf-error-page h1 { font-size: 4rem; font-weight: 800; color: var(--sf-accent); }
.sf-error-page h2 { font-size: 1.25rem; color: var(--sf-text-color); margin-top: 4px; }
.sf-error-page p  { color: var(--sf-text-muted); margin: 16px 0 24px; }
.sf-error-debug {
    margin-top: 32px; text-align: left; width: 100%; max-width: 700px;
    background: var(--sf-bg-surface); color: var(--sf-text-color); border-radius: 10px;
    padding: 20px; font-family: 'Courier New', monospace; font-size: 0.8rem;
    overflow-x: auto;
}

/* ==========================================================================
   19. RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    .sf-header { padding: 0 14px; }
    .sf-header-nav { display: none; }
    .sf-main { padding: 20px 14px; }
    .sf-project-grid { grid-template-columns: 1fr 1fr; }
    .sf-stats-row { grid-template-columns: 1fr 1fr; }
    .sf-form-row { flex-direction: column; gap: 0; }
    .sf-form-half, .sf-form-third { flex: unset; }
    .sf-dashboard-header { flex-direction: column; gap: 12px; align-items: flex-start; }
}

@media (max-width: 480px) {
    .sf-project-grid { grid-template-columns: 1fr; }
    .sf-stats-row { grid-template-columns: 1fr; }
    .sf-type-grid { grid-template-columns: 1fr 1fr; }
}