/* Later API - Modern Responsive Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --bg-main: #090d16;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(23, 31, 50, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-active: rgba(99, 102, 241, 0.5);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-primary: #6366f1; /* Indigo */
    --accent-primary-hover: #4f46e5;
    --accent-success: #10b981; /* Emerald */
    --accent-success-hover: #059669;
    --accent-danger: #ef4444; /* Rose */
    --accent-danger-hover: #dc2626;
    --accent-warning: #f59e0b; /* Amber */
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-glow: 0 10px 30px -10px rgba(99, 102, 241, 0.3);
    --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.06) 0%, transparent 45%);
    background-attachment: fixed;
}

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

a:hover {
    color: var(--accent-primary-hover);
    text-decoration: underline;
}

/* Container */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    border-bottom: 1px solid var(--border-color);
    background: rgba(9, 13, 22, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #a5b4fc 0%, #6366f1 50%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #6366f1, #10b981);
    border-radius: 8px;
    display: inline-block;
    position: relative;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    background-color: var(--bg-main);
    border-radius: 4px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--accent-success);
    border-radius: 50%;
    display: inline-block;
}

.btn-logout {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid transparent;
}

.btn-logout:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    text-decoration: none;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 60px 0 20px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 16px;
    background: linear-gradient(to right, #ffffff, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Card layout */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
    animation: fadeIn 0.5s ease-out;
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 28px;
    line-height: 1.5;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 18px;
    padding-right: 40px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 24px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    gap: 8px;
}

.btn-primary {
    background: var(--accent-primary);
    color: #ffffff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px -8px rgba(99, 102, 241, 0.4);
}

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

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
    width: auto;
    padding: 6px 12px;
    font-size: 0.8125rem;
    border-radius: 6px;
}

.btn-danger:hover {
    background: var(--accent-danger);
    color: white;
    border-color: var(--accent-danger-hover);
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 28px;
    gap: 16px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 10px 4px;
    cursor: pointer;
    position: relative;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    color: var(--text-primary);
}

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

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--accent-primary);
    border-radius: 2px;
    box-shadow: 0 0 8px var(--accent-primary);
}

/* OTP (One-Time Password) Inputs */
.otp-container {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    margin: 24px 0;
}

.otp-input {
    width: 48px;
    height: 56px;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-heading);
    transition: var(--transition-smooth);
}

.otp-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Dashboard Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 30px;
    margin-bottom: 60px;
}

@media (min-width: 850px) {
    .dashboard-grid {
        grid-template-columns: 2fr 1fr;
    }
}

.dashboard-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-card);
}

.dashboard-card h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* API Key List */
.key-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.key-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition-smooth);
}

.key-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.12);
}

@media (min-width: 600px) {
    .key-item {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.key-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.key-value-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.2);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    overflow: hidden;
}

.key-value {
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none; /* Hide scrollbar for clean look */
    flex: 1;
}

.key-value::-webkit-scrollbar {
    display: none;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.key-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    align-items: center;
}

.key-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.key-badge-active {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.key-badge-expired {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* Messages / Toasts */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    line-height: 1.4;
    text-align: left;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    animation: slideDown 0.3s ease-out;
}

.alert-success {
    background: rgba(16, 185, 129, 0.12);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.12);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-info {
    background: rgba(99, 102, 241, 0.12);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* Developer Mail Helper Toast (Only in debug mode) */
.dev-helper {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 380px;
    background: rgba(17, 24, 39, 0.95);
    border: 1px solid var(--accent-primary);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
    z-index: 1000;
    font-size: 0.85rem;
    line-height: 1.4;
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.dev-helper-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 8px;
}

.dev-helper-title {
    font-weight: 700;
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.dev-helper-code {
    background: rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
    font-family: monospace;
    font-size: 1.1rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    text-align: center;
    margin: 8px 0;
    border: 1px dashed var(--accent-primary);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: auto;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive grid adjustments */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .glass-card {
        padding: 24px;
    }
    
    .otp-input {
        width: 38px;
        height: 48px;
        font-size: 1.25rem;
    }
}