/* Import Outfit and Inter fonts from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --bg-dark: #0b0f19;
    --bg-card: rgba(17, 24, 39, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.3);
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --success-glow: rgba(16, 185, 129, 0.3);
    
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --danger-glow: rgba(239, 68, 68, 0.3);

    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.15);

    --font-outfit: 'Outfit', sans-serif;
    --font-inter: 'Inter', sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-inter);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Cosmic Background Glows */
body::before, body::after {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
}

body::before {
    background: var(--primary);
    top: 10%;
    left: 5%;
}

body::after {
    background: var(--success);
    bottom: 10%;
    right: 5%;
}

/* Typography styling */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-outfit);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--primary-hover);
}

/* Layout Elements */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header / Navbar */
header {
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1.25rem 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px var(--primary-glow);
    font-size: 1.25rem;
    color: #fff;
}

.logo-text {
    font-size: 1.5rem;
    font-family: var(--font-outfit);
    font-weight: 800;
    background: linear-gradient(to right, #fff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.user-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.logout-btn {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition-smooth);
}

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

/* Glassmorphism Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.6);
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
    opacity: 0;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.12);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card.sent::before { background: var(--primary); }
.stat-card.success::before { background: var(--success); }
.stat-card.failed::before { background: var(--danger); }
.stat-card.credits::before { background: var(--warning); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.stat-card.sent .stat-icon { background: rgba(99, 102, 241, 0.1); color: var(--primary); }
.stat-card.success .stat-icon { background: rgba(16, 185, 129, 0.1); color: var(--success); }
.stat-card.failed .stat-icon { background: rgba(239, 68, 68, 0.1); color: var(--danger); }
.stat-card.credits .stat-icon { background: rgba(245, 158, 11, 0.1); color: var(--warning); }

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

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.stat-value {
    font-family: var(--font-outfit);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.25rem;
}

/* Dashboard Workspace Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 380px 1fr;
    }
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 0.85rem 1.25rem;
    font-size: 0.95rem;
    font-family: var(--font-inter);
    transition: var(--transition-smooth);
}

.form-control-icon {
    padding-left: 3rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-control:focus + i {
    color: var(--primary);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.input-help {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    display: flex;
    justify-content: space-between;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.85rem 1.5rem;
    font-family: var(--font-outfit);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    color: #fff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-hover), #7c3aed);
    box-shadow: 0 4px 25px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* History Logs & Tables */
.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.table-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.table-filters {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.filter-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    cursor: pointer;
    outline: none;
    transition: var(--transition-smooth);
}

.filter-select:focus {
    border-color: var(--primary);
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.01);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

th, td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

tr:last-child td {
    border-bottom: none;
}

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

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.badge-sent {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge-sent::before { background: var(--success); }

.badge-failed {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}
.badge-failed::before { background: var(--danger); }

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.pagination-btns {
    display: flex;
    gap: 0.5rem;
}

.btn-page {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-page:hover:not(:disabled) {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 10px var(--primary-glow);
}

.btn-page:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-page.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Authentication Cards */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 120px);
    padding: 2rem 0;
}

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

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

.auth-header .logo-icon {
    margin: 0 auto 1rem auto;
}

.auth-title {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

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

/* Alerts and Notifications */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid transparent;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.2);
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.2);
}

/* Dynamic toast messages */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: rgba(17, 24, 39, 0.95);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    color: var(--text-primary);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 280px;
    backdrop-filter: blur(8px);
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-danger {
    border-left: 4px solid var(--danger);
}

@keyframes slideIn {
    from {
        transform: translateY(100%) scale(0.9);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* Footer styling */
footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
    background: rgba(11, 15, 25, 0.5);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Loader / Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Modal details view */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
    position: relative;
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-title {
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
}

.json-block {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    color: #a5b4fc;
    white-space: pre-wrap;
    word-break: break-all;
}

/* ===== API Settings Section ===== */
.api-settings-card {
    position: relative;
    overflow: hidden;
}

.api-settings-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #8b5cf6, var(--warning), var(--success));
    background-size: 300% 100%;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.api-settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.75rem;
}

.btn-refresh-api {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 0.9rem;
}

.btn-refresh-api:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 15px var(--primary-glow);
    transform: rotate(180deg);
}

.btn-refresh-api.spinning i {
    animation: spin 0.8s linear infinite;
}

/* Current Key Display */
.api-key-display {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
}

.api-key-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.api-key-label i {
    color: var(--warning);
    font-size: 0.75rem;
}

.api-key-value-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.api-key-code {
    flex: 1;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 0.7rem 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #a5b4fc;
    letter-spacing: 0.03em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    user-select: all;
}

.btn-toggle-key {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.btn-toggle-key:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--primary);
    color: var(--primary);
}

.api-key-meta {
    margin-top: 0.6rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

/* Account Info Grid */
.api-account-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.api-info-tile {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-smooth);
}

.api-info-tile:hover {
    border-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.api-info-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.api-info-icon.monthly-left {
    background: rgba(245, 158, 11, 0.12);
    color: var(--warning);
}

.api-info-icon.monthly-limit {
    background: rgba(99, 102, 241, 0.12);
    color: var(--primary);
}

.api-info-icon.api-sent {
    background: rgba(16, 185, 129, 0.12);
    color: var(--success);
}

.api-info-icon.api-status {
    background: rgba(139, 92, 246, 0.12);
    color: #8b5cf6;
}

.api-info-detail {
    display: flex;
    flex-direction: column;
}

.api-info-label {
    color: var(--text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 500;
}

.api-info-value {
    font-family: var(--font-outfit);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.1rem;
}

/* Update Key Section */
.api-update-section {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.btn-update-key {
    background: linear-gradient(135deg, var(--warning), #d97706) !important;
    color: #fff;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.25);
}

.btn-update-key:hover {
    background: linear-gradient(135deg, #d97706, #b45309) !important;
    box-shadow: 0 4px 25px rgba(245, 158, 11, 0.4);
    transform: translateY(-2px);
}

/* Status indicators */
.api-status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.35rem;
    animation: statusPulse 2s ease-in-out infinite;
}

.api-status-dot.active {
    background: var(--success);
    box-shadow: 0 0 8px var(--success-glow);
}

.api-status-dot.error {
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger-glow);
}

.api-status-dot.unknown {
    background: var(--text-muted);
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@media (max-width: 640px) {
    .api-key-value-row {
        flex-wrap: wrap;
    }
    .api-key-code {
        width: 100%;
        font-size: 0.75rem;
    }
    .api-account-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 400px) {
    .api-account-grid {
        grid-template-columns: 1fr;
    }
}