body {
    margin: 0;
    min-height: 100vh;
    background-color: #020617;
    overflow-x: hidden;
}

.ambient-background {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200vw;
    height: 200vh;
    background: 
        radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 40%);
    z-index: -1;
    animation: rotateGradient 30s ease-in-out infinite alternate;
}

@keyframes rotateGradient {
    0% { transform: rotate(0deg) scale(1); }
    100% { transform: rotate(45deg) scale(1.1); }
}

.app-shell {
    min-height: 100vh;
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: #e5e7eb;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #020617;
}

::-webkit-scrollbar-thumb {
    background: rgba(56, 189, 248, 0.3);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(56, 189, 248, 0.5);
}

.app-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 3rem 1.5rem 1rem;
    max-width: 960px;
    margin: 0 auto;
}

.header-content {
    text-align: center;
}

.app-header h1 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    background: linear-gradient(135deg, #38bdf8, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.app-header p {
    margin: 0;
    color: #9ca3af;
}

.header-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 99px;
    font-size: 0.85rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: #cbd5f5;
}

.legend-color {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.safe-bg { background: #4ade80; }
.medium-bg { background: #fde68a; }
.unsafe-bg { background: #f97373; }

@media (min-width: 768px) {
    .app-header {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
        padding-bottom: 2rem;
    }
    
    .header-content {
        text-align: left;
    }
    
    .header-legend {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
        padding: 1rem 1.25rem;
    }
}

.app-main {
    width: 100%;
    max-width: 960px;
    margin: 0 auto 3rem;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    perspective: 1200px; /* Enable 3D space for children */
}

.card {
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 1.25rem;
    padding: 2rem;
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5), inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.08);
    animation: fadeInUp 0.6s ease-out forwards;
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out, box-shadow 0.15s ease-out;
    will-change: transform;
}

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

.scan-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
    transition: all 0.3s ease;
}

.scan-card.has-result {
    /* Once there's a result, we'll split the card */
}

@media (min-width: 768px) {
    .scan-card.has-result {
        grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
        align-items: start;
    }
}

.scan-column {
    display: flex;
    flex-direction: column;
}

.card h2 {
    margin-top: 0;
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    color: #f8fafc;
}

.scan-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

label {
    display: block; /* Ensure label is on its own line */
    font-size: 0.9rem;
    color: #cbd5f5;
    margin-bottom: 0.2rem; /* Reduced from 0.4rem */
}

input[type="url"],
input[type="text"],
input[type="password"],
input[type="email"] {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.3);
    color: #e5e7eb;
    outline: none;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s ease;
    box-sizing: border-box; /* Ensure padding doesn't push width over 100% */
}

input:focus {
    border-color: #38bdf8;
    background: rgba(15, 23, 42, 0.8);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.25);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.form-field {
    flex: 1 1 160px;
}

button[type="submit"] {
    margin-top: 0.5rem;
    padding: 0.7rem 1.4rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    align-self: flex-start;
    transition: transform 0.08s ease-out, box-shadow 0.08s ease-out,
        background 0.15s ease-out;
}

button[type="submit"]:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(34, 197, 94, 0.35);
}

button[type="submit"]:active {
    transform: translateY(0);
    box-shadow: none;
}

.message {
    margin-top: 0.5rem;
    padding: 0.6rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
}

.message-error {
    background: rgba(248, 113, 113, 0.16);
    border: 1px solid rgba(248, 113, 113, 0.4);
    color: #fecaca;
}

.message-success {
    background: rgba(74, 222, 128, 0.16);
    border: 1px solid rgba(74, 222, 128, 0.4);
    color: #86efac;
}

.message-warning {
    background: rgba(251, 191, 36, 0.16);
    border: 1px solid rgba(251, 191, 36, 0.4);
    color: #fde047;
}

.result {
    margin-top: 0;
    padding: 1.5rem;
    border-radius: 1rem;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.2);
}

.result h3 {
    margin: 0 0 0.5rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.3rem;
}

.result.safe h3,
.safe {
    color: #4ade80;
    text-shadow: 0 0 10px rgba(74, 222, 128, 0.4);
}

.result.medium h3,
.medium {
    color: #fde047;
    text-shadow: 0 0 10px rgba(253, 224, 71, 0.4);
}

.result.unsafe h3,
.unsafe {
    color: #f87171;
    text-shadow: 0 0 10px rgba(248, 113, 113, 0.4);
}
.result .meta {
    font-size: 0.8rem;
    color: #9ca3af;
}

.safe {
    color: #4ade80;
    text-shadow: 0 0 10px rgba(74, 222, 128, 0.4);
}

.unsafe {
    color: #f87171;
    text-shadow: 0 0 10px rgba(248, 113, 113, 0.4);
}

.recent-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-height: 260px;
    overflow-y: auto;
}

.recent-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.8rem;
    border-radius: 0.75rem;
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.2s ease, background 0.2s ease;
}

.recent-item:hover {
    transform: translateX(4px);
    background: rgba(255, 255, 255, 0.06);
}

.recent-url {
    flex: 1 1 auto;
    margin-right: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recent-status {
    font-weight: 600;
    font-size: 0.8rem;
}

.recent-safe .recent-status {
    color: #4ade80;
}

.recent-unsafe .recent-status {
    color: #f97373;
}

.app-footer {
    text-align: center;
    padding: 1rem 1.5rem 2rem;
    font-size: 0.8rem;
    color: #6b7280;
}

@media (min-width: 900px) {
    .app-main {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .scan-card {
        flex: 1 1 65%;
    }
    
    .history-card {
        flex: 1 1 35%;
        position: sticky;
        top: 2rem;
    }
}

/* Authentication Styles */

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-top: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 480px;
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 0.6rem; /* Reduced from 1rem */
    font-size: 1.6rem;
    font-family: 'Outfit', sans-serif;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 0.6rem; /* Reduced from 1.25rem */
}

.auth-form .form-field {
    margin-bottom: 0;
}

.auth-button {
    margin-top: 0.25rem; /* Reduced from 0.5rem */
    padding: 0.8rem; /* Tighter padding */
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, #38bdf8, #818cf8);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.2);
}

.auth-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(56, 189, 248, 0.4);
    filter: brightness(1.1);
}

.auth-button:active {
    transform: translateY(0);
    box-shadow: none;
}

.auth-links {
    margin-top: 0.8rem; /* Reduced from 1.5rem or 1rem */
    text-align: center;
    font-size: 0.9rem;
    color: #9ca3af;
}

.auth-links a {
    color: #38bdf8;
    text-decoration: none;
    font-weight: 500;
}

.auth-links a:hover {
    text-decoration: underline;
}

.help-text {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.8rem;
    color: #6b7280;
}

.auth-status {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 0.9rem;
}

.user-info {
    color: #cbd5f5;
}

.user-info strong {
    color: white;
}

.login-link, .logout-btn {
    padding: 0.4rem 0.8rem;
    border-radius: 0.4rem;
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    text-decoration: none;
    font-weight: 500;
    border: 1px solid rgba(56, 189, 248, 0.3);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.login-link:hover, .logout-btn:hover {
    background: rgba(56, 189, 248, 0.2);
}

@media (min-width: 768px) {
    .auth-status {
        margin-top: 0;
        justify-content: flex-end;
    }
}