/**
 * Tempmails Admin Styles
 * TempMails Design System - Premium SaaS UI
 * 
 * @package Tempmails
 * @since 1.0.0
 */

/* ==================== GOOGLE FONTS ==================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Poppins:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ==================== DESIGN SYSTEM VARIABLES ==================== */
:root {
    /* Primary Colors - TempMails Blue */
    --tm-blue: #2563EB;
    --tm-blue-soft: #3B82F6;
    --tm-blue-light: #DBEAFE;
    
    /* Background & Surface */
    --tm-cloud-white: #F8FAFC;
    --tm-panel-white: #FFFFFF;
    
    /* Text Colors */
    --tm-text-primary: #0F172A;
    --tm-text-muted: #64748B;
    
    /* Status Colors */
    --tm-success: #22C55E;
    --tm-success-light: #DCFCE7;
    --tm-warning: #F59E0B;
    --tm-warning-light: #FEF3C7;
    --tm-error: #EF4444;
    --tm-error-light: #FEE2E2;
    --tm-info: #38BDF8;
    --tm-info-light: #E0F2FE;
    
    /* Typography */
    --font-brand: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-plain: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-card: 0 10px 25px rgba(15, 23, 42, 0.06);
    --shadow-modal: 0 20px 40px rgba(15, 23, 42, 0.12);
    --shadow-hover: 0 15px 35px rgba(15, 23, 42, 0.10);
    
    /* Spacing */
    --space-4: 4px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-24: 24px;
    --space-32: 32px;
    --space-48: 48px;
}

/* ==================== ADMIN WRAPPER ==================== */
.wrap.tempmails-admin {
    background: var(--tm-cloud-white);
    margin: 0 0 0 -20px;
    padding: var(--space-32);
    min-height: 100vh;
}

.tempmails-admin h1 {
    font-family: var(--font-brand);
    font-size: 32px;
    font-weight: 800;
    color: var(--tm-text-primary);
    margin: 0 0 var(--space-24) 0;
    display: flex;
    align-items: center;
    gap: var(--space-12);
}

.tempmails-admin h1 .dashicons {
    color: var(--tm-blue);
}

/* ==================== ADMIN DASHBOARD STATS ==================== */
.tempmails-admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-24);
    margin: 0 0 var(--space-32) 0;
}

.tempmails-stat-card {
    background: var(--tm-panel-white);
    border-radius: var(--radius-lg);
    padding: var(--space-24);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: var(--space-16);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid transparent;
}

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

.tempmails-stat-card.status-success {
    border-left-color: var(--tm-success);
}

.tempmails-stat-card.status-warning {
    border-left-color: var(--tm-warning);
}

.tempmails-stat-card.status-error {
    border-left-color: var(--tm-error);
}

.tempmails-stat-card.status-info {
    border-left-color: var(--tm-info);
}

.tempmails-stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--tm-blue-light, #DBEAFE);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tempmails-stat-icon .dashicons {
    font-size: 28px;
    width: 28px;
    height: 28px;
    color: var(--tm-blue, #2563EB);
}

.tempmails-stat-card.status-success .tempmails-stat-icon {
    background: var(--tm-success-light);
}

.tempmails-stat-card.status-success .tempmails-stat-icon .dashicons {
    color: var(--tm-success);
}

.tempmails-stat-card.status-warning .tempmails-stat-icon {
    background: var(--tm-warning-light);
}

.tempmails-stat-card.status-warning .tempmails-stat-icon .dashicons {
    color: var(--tm-warning);
}

.tempmails-stat-content h2 {
    font-family: var(--font-brand);
    font-size: 36px;
    font-weight: 800;
    color: var(--tm-text-primary);
    margin: 0 0 var(--space-4) 0;
    line-height: 1;
}

.tempmails-stat-content p {
    font-family: var(--font-plain);
    font-size: 14px;
    font-weight: 500;
    color: var(--tm-text-muted);
    margin: 0;
}

.tempmails-stat-content small {
    font-size: 12px;
    display: block;
    margin-top: var(--space-4);
    font-family: var(--font-mono);
}

.status-success-text {
    color: var(--tm-success);
    font-weight: 600;
}

.status-error-text {
    color: var(--tm-error);
    font-weight: 600;
}

/* ==================== ADMIN SECTIONS ==================== */
.tempmails-admin-section {
    background: var(--tm-panel-white);
    border-radius: var(--radius-lg);
    padding: var(--space-24);
    margin-bottom: var(--space-24);
    box-shadow: var(--shadow-card);
}

.tempmails-admin-section h2 {
    font-family: var(--font-brand);
    font-size: 20px;
    font-weight: 700;
    color: var(--tm-text-primary);
    margin: 0 0 var(--space-16) 0;
    padding-bottom: var(--space-12);
    border-bottom: 2px solid var(--tm-cloud-white);
}

.tempmails-admin-section table.widefat {
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--tm-cloud-white);
    box-shadow: none;
}

.tempmails-admin-section table.widefat thead {
    background: var(--tm-cloud-white);
}

.tempmails-admin-section table.widefat th {
    background: transparent;
    font-family: var(--font-brand);
    font-weight: 600;
    font-size: 13px;
    padding: var(--space-12) var(--space-16);
    color: var(--tm-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid #E2E8F0;
}

.tempmails-admin-section table.widefat td {
    padding: var(--space-16);
    font-family: var(--font-plain);
    font-size: 14px;
    color: var(--tm-text-primary);
    border-bottom: 1px solid var(--tm-cloud-white);
}

.tempmails-admin-section table.widefat tbody tr {
    transition: background 0.2s;
}

.tempmails-admin-section table.widefat tbody tr:hover {
    background: var(--tm-cloud-white);
}

.tempmails-admin-section table.widefat code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--tm-cloud-white);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    color: var(--tm-blue);
}

/* ==================== FORM STYLES ==================== */
.form-table {
    background: transparent;
}

.form-table th {
    font-family: var(--font-brand);
    font-weight: 600;
    color: var(--tm-text-primary);
    padding: var(--space-16) 0;
}

.form-table td {
    padding: var(--space-16) 0;
}

.form-table input[type="text"],
.form-table input[type="number"],
.form-table input[type="password"],
.form-table input[type="email"],
.form-table select,
.form-table textarea {
    font-family: var(--font-plain);
    border: 1px solid #CBD5E1;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    transition: all 0.2s;
    font-size: 14px;
    color: var(--tm-text-primary);
}

.form-table input[type="text"]:focus,
.form-table input[type="number"]:focus,
.form-table input[type="password"]:focus,
.form-table input[type="email"]:focus,
.form-table select:focus,
.form-table textarea:focus {
    border-color: var(--tm-blue);
    box-shadow: 0 0 0 3px var(--tm-blue-light);
    outline: none;
}

.form-table .description {
    font-family: var(--font-plain);
    font-size: 13px;
    color: var(--tm-text-muted);
    margin-top: var(--space-8);
    line-height: 1.5;
}

.form-table code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--tm-cloud-white);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    color: var(--tm-blue);
}

/* ==================== BUTTONS ==================== */
/* FIX v2: Added #wpbody prefix to match WordPress core button specificity.
   WP core uses #wpbody .button-primary which beats .wrap.tempmails-admin .button-primary.
   Scoping to #wpbody .wrap.tempmails-admin wins the cascade without needing extra !important. */

#wpbody .wrap.tempmails-admin .button-primary,
#wpbody .wrap.tempmails-admin input[type="submit"].button-primary {
    background: var(--tm-blue) !important;
    border-color: var(--tm-blue) !important;
    color: #ffffff !important;
    font-family: var(--font-brand) !important;
    font-weight: 600 !important;
    border-radius: var(--radius-md) !important;
    padding: 10px 24px !important;
    height: auto !important;
    box-shadow: var(--shadow-card) !important;
    transition: all 0.2s !important;
    text-shadow: none !important;
    font-size: 14px !important;
}

#wpbody .wrap.tempmails-admin .button-primary:hover,
#wpbody .wrap.tempmails-admin .button-primary:focus,
#wpbody .wrap.tempmails-admin input[type="submit"].button-primary:hover,
#wpbody .wrap.tempmails-admin input[type="submit"].button-primary:focus {
    background: var(--tm-blue-soft) !important;
    border-color: var(--tm-blue-soft) !important;
    color: #ffffff !important;
    box-shadow: var(--shadow-hover) !important;
    transform: translateY(-1px);
}

#wpbody .wrap.tempmails-admin .button-primary:active,
#wpbody .wrap.tempmails-admin input[type="submit"].button-primary:active {
    transform: translateY(0);
}

#wpbody .wrap.tempmails-admin .button {
    font-family: var(--font-brand) !important;
    border-radius: var(--radius-md) !important;
    padding: 8px 20px !important;
    height: auto !important;
    font-weight: 500 !important;
    border: 1px solid #CBD5E1 !important;
    color: var(--tm-text-primary) !important;
    background: #ffffff !important;
    transition: all 0.2s !important;
}

#wpbody .wrap.tempmails-admin .button:hover {
    border-color: var(--tm-blue, #2563EB) !important;
    color: var(--tm-blue, #2563EB) !important;
    background: var(--tm-blue-light, #DBEAFE) !important;
}

/* ==================== SETTINGS PAGE BUTTONS ==================== */
/* On the Settings page all secondary buttons are blue by default.
   WordPress assigns body class tempmails_page_tempmails-settings to this submenu page. */

.tempmails_page_tempmails-settings #wpbody .wrap.tempmails-admin .button {
    background: var(--tm-blue, #2563EB) !important;
    border-color: var(--tm-blue, #2563EB) !important;
    color: #ffffff !important;
}

.tempmails_page_tempmails-settings #wpbody .wrap.tempmails-admin .button:hover,
.tempmails_page_tempmails-settings #wpbody .wrap.tempmails-admin .button:focus {
    background: var(--tm-blue-soft, #3B82F6) !important;
    border-color: var(--tm-blue-soft, #3B82F6) !important;
    color: #ffffff !important;
    box-shadow: var(--shadow-hover) !important;
    transform: translateY(-1px);
}

/* ==================== NOTICES ==================== */
.notice {
    border-left-width: 4px !important;
    border-radius: var(--radius-sm) !important;
    margin: var(--space-16) 0 !important;
    padding: var(--space-16) !important;
    font-family: var(--font-plain);
    box-shadow: var(--shadow-card) !important;
}

.notice p {
    margin: 0.5em 0 !important;
    font-size: 14px;
}

.notice-success {
    background: var(--tm-success-light) !important;
    border-left-color: var(--tm-success) !important;
    color: #166534 !important;
}

.notice-error {
    background: var(--tm-error-light) !important;
    border-left-color: var(--tm-error) !important;
    color: #991B1B !important;
}

.notice-warning {
    background: var(--tm-warning-light) !important;
    border-left-color: var(--tm-warning) !important;
    color: #92400E !important;
}

.notice-info {
    background: var(--tm-info-light) !important;
    border-left-color: var(--tm-info) !important;
    color: #075985 !important;
}

/* ==================== ADDONS GRID ==================== */
.tempmails-addons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-24);
    margin-top: var(--space-24);
}

.tempmails-addon-card {
    background: var(--tm-panel-white);
    border: 2px solid var(--tm-cloud-white);
    border-radius: var(--radius-lg);
    padding: var(--space-24);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-card);
}

.tempmails-addon-card:hover {
    border-color: var(--tm-blue);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.tempmails-addon-card h3 {
    font-family: var(--font-brand);
    font-size: 18px;
    font-weight: 700;
    color: var(--tm-text-primary);
    margin: 0 0 var(--space-12) 0;
}

.tempmails-addon-card p {
    font-family: var(--font-plain);
    font-size: 14px;
    color: var(--tm-text-muted);
    line-height: 1.6;
    margin: 0 0 var(--space-16) 0;
}

.addon-status {
    display: inline-block;
    background: var(--tm-blue-light);
    color: var(--tm-blue);
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    font-family: var(--font-brand);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.addon-status.coming-soon {
    background: var(--tm-warning-light);
    color: var(--tm-warning);
}

.addon-status.active {
    background: var(--tm-success-light);
    color: var(--tm-success);
}

/* ==================== TABS ==================== */
/* FIX v2: Added #wpbody prefix to match WordPress core nav-tab specificity.
   WP core uses #wpbody .nav-tab which beats .wrap.tempmails-admin .nav-tab.
   box-shadow: none kills WP's default tab raised appearance on active/hover. */

#wpbody .wrap.tempmails-admin .nav-tab-wrapper {
    border-bottom: 2px solid var(--tm-cloud-white);
    margin-bottom: var(--space-24);
    padding: 0;
    background: transparent;
}

#wpbody .wrap.tempmails-admin .nav-tab {
    font-family: var(--font-brand) !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    background: transparent !important;
    color: var(--tm-text-muted) !important;
    padding: var(--space-12) var(--space-24) !important;
    margin: 0 var(--space-4) -2px 0 !important;
    transition: all 0.2s !important;
    box-shadow: none !important;
}

#wpbody .wrap.tempmails-admin .nav-tab:hover {
    color: var(--tm-blue, #2563EB) !important;
    background: transparent !important;
    border-bottom-color: var(--tm-blue-light, #DBEAFE) !important;
    box-shadow: none !important;
}

#wpbody .wrap.tempmails-admin .nav-tab-active,
#wpbody .wrap.tempmails-admin .nav-tab-active:focus,
#wpbody .wrap.tempmails-admin .nav-tab-active:hover {
    color: var(--tm-blue, #2563EB) !important;
    border-bottom-color: var(--tm-blue, #2563EB) !important;
    background: transparent !important;
    box-shadow: none !important;
}

/* ==================== BADGES ==================== */
.tempmails-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: var(--radius-xl);
    font-family: var(--font-brand);
    font-size: 12px;
    font-weight: 600;
}

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

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

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

.tempmails-badge.badge-info {
    background: var(--tm-info-light);
    color: var(--tm-info);
}

/* ==================== LOADING STATES ==================== */
.tempmails-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-12);
    padding: var(--space-32);
    font-family: var(--font-plain);
    color: var(--tm-text-muted);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 782px) {
    .wrap.tempmails-admin {
        margin-left: 0;
        padding: var(--space-16);
    }
    
    .tempmails-admin-stats {
        grid-template-columns: 1fr;
    }
    
    .tempmails-addons-grid {
        grid-template-columns: 1fr;
    }
    
    .tempmails-stat-card {
        padding: var(--space-16);
    }
}

/* ==================== WORDPRESS ADMIN OVERRIDES ==================== */
#wpbody-content .wrap.tempmails-admin {
    padding-right: var(--space-32);
}

.tempmails-admin .postbox {
    border: none;
    box-shadow: var(--shadow-card);
    border-radius: var(--radius-lg);
}

.tempmails-admin .postbox .postbox-header {
    border-bottom: 2px solid var(--tm-cloud-white);
}

.tempmails-admin .postbox .postbox-header h2 {
    font-family: var(--font-brand);
    font-weight: 700;
    color: var(--tm-text-primary);
}

/* ==================== DESIGN PAGE LAYOUT ==================== */
.tempmails-design-layout { display: grid; grid-template-columns: 320px 1fr; gap: 24px; margin-top: 20px; }
.tempmails-design-controls { background: #fff; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.05); overflow: hidden; }
.design-tabs-nav { display: flex; background: #f1f5f9; border-bottom: 1px solid #e2e8f0; }
.design-tab-btn { flex: 1; border: none; background: transparent; padding: 12px 0; cursor: pointer; font-weight: 600; color: #64748b; border-bottom: 2px solid transparent; }
.design-tab-btn.active { border-bottom-color: #2563eb; background: #fff; color: #2563eb; }
.design-tab-content { display: none; padding: 20px; }
.design-tab-content.active { display: block; }

/* Design Controls */
.design-control-row { margin-bottom: 15px; border-bottom: 1px solid #f8fafc; padding-bottom: 15px; }
.control-label { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.regular-text.design-text-input { width: 100%; border: 1px solid #cbd5e1; padding: 8px; border-radius: 4px; }
.reset-control, .reset-text-control { background: none; border: none; color: #94a3b8; font-size: 11px; cursor: pointer; text-decoration: underline; padding: 0; }
.reset-control:hover { color: #ef4444; }
.range-group { display: flex; align-items: center; gap: 10px; }

/* Design Preview Pane */
.tempmails-design-preview-pane { border: 1px solid #e2e8f0; border-radius: 8px; overflow: hidden; background: #cbd5e1; display: flex; flex-direction: column; }
.preview-header { background: #fff; padding: 10px 20px; border-bottom: 1px solid #e2e8f0; display: flex; justify-content: space-between; align-items: center; }
.preview-viewport { padding: 40px; flex: 1; overflow-y: auto; background: var(--tm-bg-surface, #F8FAFC); }

/* Design Preview Helpers */
.preview-section-label { margin: 0 0 10px 0; display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: #64748b; }
.shortcode-badge { background: #e2e8f0; color: #334155; padding: 4px 8px; border-radius: 4px; font-family: monospace; font-size: 11px; border: 1px solid #cbd5e1; }
.spacer-divider { height: 40px; border-bottom: 2px dashed #cbd5e1; margin-bottom: 40px; opacity: 0.5; }

.design-save-area { padding: 20px; border-top: 1px solid #e2e8f0; }
.design-save-area .button-primary { background: #2563eb !important; border-color: #2563eb !important; color: #ffffff !important; transition: background 0.2s, box-shadow 0.2s, transform 0.15s !important; }
.design-save-area .button-primary:hover { background: #1d4ed8 !important; border-color: #1d4ed8 !important; box-shadow: 0 4px 12px rgba(37,99,235,0.4) !important; transform: translateY(-1px) !important; }
.design-save-area .button-primary:active { background: #1e40af !important; border-color: #1e40af !important; transform: translateY(0) !important; box-shadow: none !important; }