@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #050505;
    --bg-gradient: radial-gradient(circle at top left, #1a1515, #0a0a0a 40%, #050505 100%);
    --surface-color: rgba(255, 255, 255, 0.03);
    --surface-hover: rgba(255, 255, 255, 0.06);
    --primary-color: #ef4444;
    --primary-hover: #dc2626;
    --primary-glow: 0 0 20px rgba(239, 68, 68, 0.25);
    --text-color: #ffffff;
    --text-cream: #fdfbf7;
    --text-muted: #9ca3af;
    --border-color: rgba(255, 255, 255, 0.08);
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    --radius: 12px;
    --transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
a { color: var(--primary-color); text-decoration: none; font-weight: 600; }
a:hover { text-decoration: underline; }

body {
    font-family: var(--font-family);
    background: var(--bg-color);
    background-image: var(--bg-gradient);
    color: var(--text-color);
    display: flex; flex-direction: column; align-items: center; justify-content: space-between;
    min-height: 100vh; overflow-y: auto;
    -webkit-font-smoothing: antialiased;
}

.main-wrapper {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 40px 20px;
}

/* ---- Containers ---- */
.login-container, .signup-container, .verify-container {
    width: 100%; max-width: 440px;
}

/* ---- Cards ---- */
.login-card, .signup-card, .verify-card {
    background: var(--surface-color);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px 36px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    position: relative;
}

/* ---- Card Header ---- */
.card-header { text-align: center; margin-bottom: 24px; }
.card-header .logo {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    font-size: 26px; font-weight: 700; color: var(--text-cream);
    letter-spacing: -0.5px;
}
.card-header .logo img { border-radius: 8px; }

/* ---- Auth Tabs ---- */
.auth-tabs {
    display: flex;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 4px;
    margin-bottom: 32px;
    gap: 4px;
}
.auth-tab {
    flex: 1;
    text-align: center;
    padding: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: 6px;
    transition: var(--transition);
}
.auth-tab:hover { color: var(--text-color); text-decoration: none; }
.auth-tab.active {
    background: var(--surface-hover);
    color: var(--text-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.auth-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    text-align: left;
    color: var(--text-cream);
}
.auth-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    text-align: left;
    line-height: 1.5;
}

.info-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    display: flex;
    gap: 12px;
}
.info-box i { color: var(--warning-color); font-size: 16px; margin-top: 2px; }
.info-box-text { flex: 1; }
.info-box h4 { color: var(--warning-color); font-size: 13px; margin-bottom: 4px; font-weight: 600; }
.info-box p { color: var(--text-muted); font-size: 12px; line-height: 1.4; }

/* ---- Form ---- */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; margin-bottom: 8px; font-size: 13px; font-weight: 600;
    color: var(--text-muted); letter-spacing: 0.5px;
}
.form-group input {
    width: 100%; padding: 14px 16px; font-family: var(--font-family);
    background: rgba(0,0,0,0.5); border: 1px solid var(--border-color);
    border-radius: 8px; color: var(--text-color); font-size: 15px; font-weight: 500;
    transition: var(--transition); outline: none;
}
.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

/* ---- Password Wrapper ---- */
.password-wrapper { position: relative; display: flex; align-items: center; }
.password-wrapper input { padding-right: 48px; }
.password-toggle-btn {
    position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
    background: none; border: none; cursor: pointer; color: var(--text-muted);
    padding: 4px; display: flex; align-items: center; justify-content: center;
}
.password-toggle-btn svg { width: 20px; height: 20px; }
.password-toggle-btn:hover { color: var(--text-color); }

/* ---- Password Strength ---- */
.password-strength-meter { margin-top: 10px; }
.strength-bar { width: 100%; height: 6px; background: var(--border-color); border-radius: 3px; overflow: hidden; }
.strength-bar-fill { height: 100%; width: 0%; border-radius: 3px; transition: width 0.3s ease, background-color 0.3s ease; }
.strength-bar-fill.weak { background-color: var(--error-color); }
.strength-bar-fill.medium { background-color: var(--warning-color); }
.strength-bar-fill.strong { background-color: var(--success-color); }
.strength-text { font-size: 12px; font-weight: 600; margin-top: 6px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.confirmation-message { font-size: 13px; color: var(--error-color); font-weight: 500; margin-top: 8px; }

/* ---- Submit Button ---- */
.submit-btn {
    width: 100%; padding: 14px; font-family: var(--font-family);
    font-size: 15px; font-weight: 700; cursor: pointer;
    background: var(--primary-color); color: white; border: 1px solid var(--primary-hover);
    border-radius: 8px; transition: var(--transition);
    box-shadow: var(--primary-glow);
    margin-top: 12px; letter-spacing: 0.5px;
}
.submit-btn:hover {
    background: var(--primary-hover); transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}
.submit-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---- Card Footer ---- */
.card-footer { text-align: center; margin-top: 24px; font-size: 13px; color: var(--text-muted); }
.card-footer a { color: var(--primary-color); font-weight: 600; }

/* ---- Flash Messages ---- */
.flash-messages { list-style: none; padding: 0; margin: 0 0 24px 0; }
.flash-messages li {
    padding: 12px 16px; font-size: 14px; font-weight: 500; margin-bottom: 8px;
    border-radius: 8px; background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid var(--primary-color); color: var(--text-color);
}

/* ---- Footer ---- */
.footer-wrapper {
    width: 100%;
    background: var(--surface-color);
    backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-color);
}
.auth-footer {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 40px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.footer-brand { max-width: 450px; }
.footer-brand .logo {
    display: flex; align-items: center; gap: 12px; font-size: 22px; font-weight: 700; margin-bottom: 16px;
    color: var(--text-cream);
}
.footer-title { font-size: 15px; font-weight: 700; margin-bottom: 12px; color: var(--text-color); }
.footer-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
.footer-internal { font-size: 12px; color: var(--primary-color); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }

.footer-links-grid { display: flex; gap: 80px; }
.footer-col h5 { font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 20px; color: var(--text-color); font-weight: 700; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 16px; font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 10px; }
.footer-col ul li i { opacity: 0.5; width: 16px; text-align: center; }
.footer-col ul li a { color: var(--text-muted); font-weight: 500; }
.footer-col ul li a:hover { color: var(--text-color); text-decoration: none; }

.footer-bottom-wrapper {
    width: 100%;
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
}
.footer-bottom {
    width: 100%; max-width: 1100px; margin: 0 auto;
    padding: 24px 40px; display: flex; justify-content: space-between; align-items: center;
    font-size: 12px; color: var(--text-muted);
}
.footer-bottom span.highlight { color: white; font-weight: 600; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .auth-footer { flex-direction: column; gap: 40px; padding: 40px 20px; }
    .footer-links-grid { flex-direction: column; gap: 30px; width: 100%; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; padding: 20px; }
}
@media (max-width: 480px) {
    .login-card, .signup-card, .verify-card { padding: 32px 24px; }
}