:root {
    --bg-color: #0F0F23;
    --card-bg: rgba(30, 30, 60, 0.4);
    --primary-color: #6C5CE7;
    --secondary-color: #A29BFE;
    --accent-color: #FD79A8;
    --text-color: #FFFFFF;
    --text-muted: #B2BEC3;
    --border-color: rgba(255, 255, 255, 0.1);
    --success-color: #00B894;
    --warning-color: #FDCB6E;
    --danger-color: #FF7675;
    --glass-blur: 12px;
    --radius: 12px;
    --transition: 300ms ease;
}

body.light-theme {
    --bg-color: #F5F6FA;
    --card-bg: rgba(255, 255, 255, 0.8);
    --primary-color: #6C5CE7;
    --secondary-color: #5849be;
    --accent-color: #d63384;
    --text-color: #2D3436;
    --text-muted: #636E72;
    --border-color: rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color var(--transition), color var(--transition);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-color);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    padding-right: 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.light-theme input[type="password"],
.light-theme input[type="text"] {
    background: rgba(0, 0, 0, 0.03);
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.icon-btn {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: var(--transition);
}

.icon-btn:hover {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
}

header .icon-btn {
    position: static;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
}

.strength-meter-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.strength-label-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 500;
}

#strength-text {
    font-weight: 700;
}

.progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s ease;
}

.analysis-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.analysis-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.analysis-item i {
    color: var(--primary-color);
    width: 20px;
    height: 20px;
}

.analysis-item .label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.analysis-item .value {
    font-size: 0.9rem;
    font-weight: 600;
}

.requirements-list {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.requirement {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.requirement i {
    width: 14px;
    height: 14px;
}

.requirement.met {
    color: var(--success-color);
}

.requirement.met i {
    color: var(--success-color);
}

/* Generator Styles */
.generator-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

input[type="range"] {
    width: 100%;
    accent-color: var(--primary-color);
}

.toggles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    user-select: none;
}

.primary-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
}

.primary-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
}

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

footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 8px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: opacity 0.3s, transform 0.3s;
}

.toast.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
    pointer-events: none;
}

@media (max-width: 480px) {
    .analysis-grid, .toggles-grid, .requirements-list {
        grid-template-columns: 1fr;
    }
}