/* ============================================================
   MongoDB Atlas IP Access List Manager — Stylesheet
   Dark glassmorphism theme with Inter font
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* --- Reset & Base --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-gradient-start: #0f0c29;
    --bg-gradient-mid: #302b63;
    --bg-gradient-end: #24243e;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-hover: rgba(255, 255, 255, 0.09);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6b6b80;
    --accent: #7c5cfc;
    --accent-hover: #9a7fff;
    --accent-glow: rgba(124, 92, 252, 0.35);
    --success: #34d399;
    --success-bg: rgba(52, 211, 153, 0.12);
    --danger: #f87171;
    --danger-bg: rgba(248, 113, 113, 0.12);
    --danger-hover: #ef4444;
    --warning: #fbbf24;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-mid), var(--bg-gradient-end));
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* --- Animated background orbs --- */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.18;
    z-index: 0;
    pointer-events: none;
}

body::before {
    width: 600px;
    height: 600px;
    background: var(--accent);
    top: -200px;
    right: -100px;
    animation: float 18s ease-in-out infinite alternate;
}

body::after {
    width: 500px;
    height: 500px;
    background: #34d399;
    bottom: -150px;
    left: -100px;
    animation: float 22s ease-in-out infinite alternate-reverse;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(60px, 40px) scale(1.15); }
}

/* --- Layout --- */
.app-wrapper {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
}

/* --- Header --- */
.app-header {
    text-align: center;
    margin-bottom: 2.5rem;
    animation: fadeSlideUp 0.6s ease-out;
}

.app-header .logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.app-header .logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent), #34d399);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.app-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.3rem;
}

/* --- Glass card --- */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 1.75rem;
    box-shadow: var(--shadow);
    animation: fadeSlideUp 0.6s ease-out both;
}

.glass-card + .glass-card {
    margin-top: 1.5rem;
}

.glass-card:nth-child(2) { animation-delay: 0.1s; }
.glass-card:nth-child(3) { animation-delay: 0.2s; }

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title .icon {
    font-size: 1.15rem;
}

/* --- Form --- */
.form-row {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.form-group {
    flex: 1;
    min-width: 180px;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-group label {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input[type="text"] {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 0.7rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

input[type="text"]::placeholder {
    color: var(--text-muted);
}

input[type="text"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.7rem 1.3rem;
    border-radius: var(--radius-sm);
    border: none;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #6244e0);
    color: #fff;
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), var(--accent));
    transform: translateY(-1px);
    box-shadow: 0 6px 24px var(--accent-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: translateY(-1px);
}

.btn-danger-sm {
    padding: 0.35rem 0.7rem;
    font-size: 0.78rem;
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(248, 113, 113, 0.2);
    border-radius: var(--radius-xs);
}

.btn-danger-sm:hover {
    background: var(--danger);
    color: #fff;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

/* --- Quick IP badge --- */
.detected-ip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--success-bg);
    color: var(--success);
    padding: 0.35rem 0.85rem;
    border-radius: 100px;
    font-size: 0.82rem;
    font-weight: 500;
    margin-top: 0.5rem;
    animation: fadeIn 0.3s ease-out;
}

/* --- Table --- */
.table-wrapper {
    overflow-x: auto;
    margin-top: 0.5rem;
}

.search-bar {
    margin-bottom: 1rem;
}

.search-bar input {
    width: 100%;
    max-width: 360px;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.88rem;
}

thead th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--glass-border);
}

tbody tr {
    transition: background var(--transition);
}

tbody tr:hover {
    background: var(--glass-hover);
}

tbody td {
    padding: 0.7rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
}

tbody td:first-child {
    color: var(--text-primary);
    font-weight: 500;
    font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;
    font-size: 0.85rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-ip {
    background: rgba(124, 92, 252, 0.15);
    color: var(--accent-hover);
}

.badge-cidr {
    background: rgba(52, 211, 153, 0.15);
    color: var(--success);
}

.empty-state {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

/* --- Stats row --- */
.stats-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.stat-chip {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    padding: 0.4rem 1rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.stat-chip .count {
    font-weight: 700;
    color: var(--text-primary);
}

/* --- Toast notifications --- */
.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.2rem;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    font-size: 0.88rem;
    font-weight: 500;
    animation: toastIn 0.35s ease-out;
    min-width: 280px;
    max-width: 420px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.toast-success {
    background: rgba(52, 211, 153, 0.15);
    border: 1px solid rgba(52, 211, 153, 0.3);
    color: var(--success);
}

.toast-error {
    background: rgba(248, 113, 113, 0.15);
    border: 1px solid rgba(248, 113, 113, 0.3);
    color: var(--danger);
}

.toast-exit {
    animation: toastOut 0.3s ease-in forwards;
}

/* --- Confirmation modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
    animation: fadeIn 0.2s ease-out;
}

.modal-overlay.hidden {
    display: none;
}

.modal-box {
    background: #1e1b3a;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
    animation: scaleIn 0.25s ease-out;
}

.modal-box h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.modal-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.modal-box .ip-highlight {
    color: var(--danger);
    font-weight: 600;
    font-family: 'SF Mono', 'Cascadia Code', monospace;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

/* --- Spinner --- */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* --- Auth pages (Login / OTP) --- */
.auth-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header .logo-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent), #34d399);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 4px 24px var(--accent-glow);
    margin-bottom: 1rem;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.3rem;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-header p strong {
    color: var(--accent-hover);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.auth-form .form-group {
    min-width: unset;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.auth-form input[type="email"]::placeholder,
.auth-form input[type="password"]::placeholder,
.auth-form input[type="text"]::placeholder {
    color: var(--text-muted);
}

.auth-form input[type="email"]:focus,
.auth-form input[type="password"]:focus,
.auth-form input[type="text"]:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-full {
    width: 100%;
    padding: 0.85rem 1.3rem;
    font-size: 0.95rem;
}

.btn-sm {
    padding: 0.4rem 0.9rem;
    font-size: 0.82rem;
}

/* OTP input styling */
.otp-input {
    text-align: center;
    font-size: 2rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.75rem !important;
    font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace !important;
    padding: 1rem !important;
}

.otp-meta {
    display: flex;
    justify-content: center;
    margin: -0.25rem 0 0.25rem;
}

.attempts-badge {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    padding: 0.25rem 0.75rem;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.25rem 0;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--glass-border);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-footer p {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.auth-link {
    color: var(--accent-hover);
    font-size: 0.88rem;
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.auth-link:hover {
    color: var(--text-primary);
}

/* Flash messages */
.flash-messages {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.flash {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    animation: fadeSlideUp 0.3s ease-out;
}

.flash-error {
    background: var(--danger-bg);
    border: 1px solid rgba(248, 113, 113, 0.25);
    color: var(--danger);
}

.flash-success {
    background: var(--success-bg);
    border: 1px solid rgba(52, 211, 153, 0.25);
    color: var(--success);
}

/* User bar in dashboard header */
.user-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
    animation: fadeIn 0.5s ease-out 0.3s both;
}

.user-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    padding: 0.35rem 1rem 0.35rem 0.35rem;
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #34d399);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
}

.user-email {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* --- Animations --- */
@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(40px); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Responsive --- */
@media (max-width: 640px) {
    .app-wrapper {
        padding: 1.5rem 1rem 3rem;
    }
    .form-row {
        flex-direction: column;
    }
    .form-group {
        min-width: 100%;
    }
    .glass-card {
        padding: 1.25rem;
    }
    .modal-box {
        margin: 0 1rem;
    }
    .auth-card {
        padding: 1.5rem;
    }
    .user-bar {
        flex-direction: column;
        gap: 0.5rem;
    }
}