/* Sentinel DNS - Client Portal Styling */
:root {
    --bg-main: #07090e;
    --bg-surface: #0d121f;
    --bg-card: #131b2e;
    --bg-card-hover: #18223a;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    --primary: #06b6d4;
    --primary-hover: #0891b2;
    --emerald: #10b981;
    --indigo: #6366f1;
    --amber: #f59e0b;
    --danger: #ef4444;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.5);
    --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    line-height: 1.5;
}

/* NAVBAR */
.navbar {
    background: rgba(13, 18, 31, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0.875rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.875rem;
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(16, 185, 129, 0.2));
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.brand-info {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
}

.brand-title span {
    color: var(--primary);
}

.brand-subtitle {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.55rem 1.1rem;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    color: #fff;
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0891b2, #0e7490);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.45);
    transform: translateY(-1px);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-hover);
}

.btn-icon {
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
}

.btn-icon:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.09);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.35rem 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.user-avatar {
    width: 30px;
    height: 30px;
    background: rgba(6, 182, 212, 0.15);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.2;
}

.user-company {
    font-size: 0.68rem;
    color: var(--text-muted);
}

/* MAIN CONTENT */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
    width: 100%;
    flex: 1;
}

/* WELCOME BANNER */
.welcome-card {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(16, 185, 129, 0.04) 50%, rgba(13, 18, 31, 0.6) 100%);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: var(--radius-lg);
    padding: 1.75rem 2rem;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.welcome-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.35rem;
}

.welcome-title span {
    color: var(--primary);
}

.welcome-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 650px;
}

/* STATS GRID */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2.25rem;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.35rem 1.5rem;
    transition: var(--transition);
}

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

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

.stat-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-cyan { background: rgba(6, 182, 212, 0.12); color: #06b6d4; }
.icon-emerald { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.icon-amber { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.icon-indigo { background: rgba(99, 102, 241, 0.12); color: #6366f1; }

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 0.35rem;
}

.stat-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* NAVIGATION TABS */
.tabs-nav {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.75rem;
    overflow-x: auto;
}

.tab-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    white-space: nowrap;
}

.tab-btn:hover {
    color: #fff;
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* SECTION PANELS */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* DATA TABLE */
.table-container {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.table-header-box {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.table-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    background: rgba(255, 255, 255, 0.02);
    padding: 0.85rem 1.25rem;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 1rem 1.25rem;
    font-size: 0.84rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* KEY BADGES */
.key-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(6, 182, 212, 0.25);
    padding: 0.3rem 0.65rem;
    border-radius: var(--radius-sm);
    color: #38bdf8;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.72rem;
    font-weight: 700;
}

.badge-active {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-pro {
    background: rgba(6, 182, 212, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

/* DOWNLOAD CARDS */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 1.5rem;
}

.download-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.download-card.featured {
    border-color: rgba(6, 182, 212, 0.4);
    background: linear-gradient(180deg, rgba(6, 182, 212, 0.05) 0%, var(--bg-surface) 100%);
}

.download-card.featured::before {
    content: "RECOMENDADO";
    position: absolute;
    top: 14px;
    right: 14px;
    font-size: 0.65rem;
    font-weight: 800;
    color: #38bdf8;
    background: rgba(6, 182, 212, 0.16);
    border: 1px solid rgba(6, 182, 212, 0.3);
    padding: 2px 8px;
    border-radius: 9999px;
}

.download-icon-box {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(6, 182, 212, 0.12);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.download-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.4rem;
}

.download-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.download-meta {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
    padding: 0.85rem 1rem;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.download-meta span strong {
    color: var(--text-primary);
}

/* MODAL */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 1000;
}

.modal-backdrop.open,
.modal-backdrop.active {
    display: flex;
}

.modal-box {
    background: #0d1322;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 580px;
    padding: 2rem;
    position: relative;
    box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.8);
    animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
}

/* FORM CONTROLS IN CLIENT MODALS */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    background: #06090e;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.85rem;
    font-size: 0.85rem;
    color: #fff;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
    width: 100%;
    box-sizing: border-box;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.error-banner {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
}

/* TOAST NOTIFICATIONS */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 9999;
}

.toast {
    background: #0f172a;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
    font-size: 0.85rem;
    color: #fff;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-success { border-color: rgba(16, 185, 129, 0.4); }
.toast-success i { color: var(--emerald); }
.toast-error { border-color: rgba(239, 68, 68, 0.4); }
.toast-error i { color: var(--danger); }

.code-block {
    background: #04060a;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: #38bdf8;
    margin-bottom: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    overflow-x: auto;
}

/* FOOTER */
.footer {
    border-top: 1px solid var(--border);
    padding: 1.5rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-surface);
}