/* --- MODERN PREMIUM DARK LOGIN --- */
:root {
    --bg-base: #000000;
    --card-surface: #0a0a0a;
    --border-subtle: #1f1f22;
    --border-focus: #333336;
    --text-primary: #ededed;
    --text-secondary: #88888e;
    --accent: #E4002B;
    --accent-hover: #ff1a4b;
    --input-bg: #0f0f12;
    --shadow-glow: 0 0 40px rgba(228, 0, 43, 0.15);
}

body.login-page {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* 1. Subtle Elegant Background */
.premium-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(228, 0, 43, 0.15), transparent 60%);
    z-index: 0;
    pointer-events: none;
}

.premium-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
    opacity: 0.5;
}

/* 2. Premium Centered Card */
.login-card {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 420px;
    background: var(--card-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 1), 0 0 0 1px rgba(255, 255, 255, 0.02), var(--shadow-glow);
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    transform: translateY(20px);
    opacity: 0;
}

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

/* 3. Header */
.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-header img {
    height: 130px;
    /* Large logo as requested before */
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 12px rgba(228, 0, 43, 0.3));
}

.auth-header h1 {
    font-size: 1.7rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.auth-header p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

/* 4. Inputs */
.premium-input-group {
    margin-bottom: 1.25rem;
    position: relative;
}

.premium-input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

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

.input-wrapper i.icon-left {
    position: absolute;
    left: 1.2rem;
    color: #55555e;
    font-size: 1.05rem;
    pointer-events: none;
    transition: 0.2s;
}

.premium-input-group input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 1rem 1rem 1rem 2.8rem;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
    outline: none;
    font-family: inherit;
}

.premium-input-group input::placeholder {
    color: #44444a;
}

.premium-input-group input:hover {
    border-color: var(--border-focus);
    background: #141417;
}

.premium-input-group input:focus {
    border-color: var(--accent);
    background: #000000;
    box-shadow: 0 0 0 1px var(--accent), 0 0 15px rgba(228, 0, 43, 0.1);
}

.premium-input-group input:focus+i.icon-left,
.premium-input-group input:not(:placeholder-shown)+i.icon-left {
    color: var(--text-primary);
}

.pwd-toggle {
    position: absolute;
    right: 1.2rem;
    color: #55555e;
    cursor: pointer;
    transition: 0.2s;
    z-index: 2;
    font-size: 1.05rem;
}

.pwd-toggle:hover {
    color: var(--text-primary);
}

.caps-warning {
    color: #f59e0b;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: -5px;
    margin-bottom: 12px;
    display: none;
}

/* Options */
.auth-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1.25rem 0 2rem;
    font-size: 0.9rem;
}

.auth-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 500;
    transition: 0.2s;
    user-select: none;
}

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

.auth-checkbox input {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 1px solid var(--border-subtle);
    border-radius: 5px;
    background: var(--input-bg);
    cursor: pointer;
    position: relative;
    transition: 0.2s;
}

.auth-checkbox input:hover {
    border-color: var(--border-focus);
    background: #141417;
}

.auth-checkbox input:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.auth-checkbox input:checked::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* 5. Buttons */
.btn-submit {
    width: 100%;
    padding: 1.1rem;
    background: var(--text-primary);
    color: #000000;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s ease;
}

.btn-submit:hover {
    background: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

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

.btn-bio {
    width: 100%;
    padding: 1rem;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    margin-top: 1rem;
    cursor: pointer;
    transition: 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-bio:hover {
    background: var(--input-bg);
    border-color: var(--border-focus);
}

/* Messages/Links */
.error-msg {
    background: rgba(228, 0, 43, 0.1);
    border: 1px solid rgba(228, 0, 43, 0.2);
    color: #ff8095;
    padding: 1rem;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    margin-top: 1.5rem;
    display: none;
}

.auth-terms {
    display: block;
    text-align: center;
    margin-top: 2rem;
    color: #55555e;
    font-size: 0.85rem;
    text-decoration: none;
    transition: 0.2s;
}

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

/* 6. PWA Banner */
.pwa-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(150px);
    width: calc(100% - 48px);
    max-width: 380px;
    background: #141417;
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.02);
    z-index: 1000;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.6s;
    opacity: 0;
}

.pwa-banner.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.pwa-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pwa-icon {
    width: 44px;
    height: 44px;
    background: #000;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-subtle);
}

.pwa-icon img {
    height: 20px;
}

.pwa-text h4 {
    margin: 0 0 2px 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.pwa-text p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.pwa-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pwa-btn {
    background: var(--text-primary);
    color: #000;
    border: none;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

.pwa-btn:hover {
    background: #fff;
}

.pwa-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    padding: 4px;
    transition: 0.2s;
}

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

/* Mobile Adaptations */
@media (max-width: 480px) {
    body.login-page {
        align-items: flex-start;
    }

    .premium-bg {
        background: radial-gradient(circle at 50% 0%, rgba(228, 0, 43, 0.2), transparent 80%);
    }

    .login-card {
        padding: 3rem 1.5rem;
        margin-top: 5vh;
        border: none;
        border-radius: 0;
        box-shadow: none;
        background: transparent;
        max-width: 100%;
        border-bottom: 1px solid var(--border-subtle);
        padding-bottom: 4rem;
    }

    .auth-header h1 {
        font-size: 1.8rem;
    }

    .premium-input-group input {
        padding: 1.1rem 1rem 1.1rem 2.8rem;
    }

    .pwa-banner {
        width: 100%;
        max-width: none;
        bottom: 0;
        border-radius: 20px 20px 0 0;
        border-bottom: none;
        border-left: none;
        border-right: none;
        padding: 20px 16px 30px;
    }
}