:root {
    --luminous-yellow: #FFBF00;
    --luminous-amber: #F9A825;
    --clean-white: #FFFFFF;
    --bg-light: #F8F9FA;
    --text-deep: #1A1A1A;
    --text-muted: #5F6368;
    --shadow-premium: 0 30px 60px rgba(0, 0, 0, 0.08);
    --font-outfit: 'Outfit', sans-serif;
    --radius-xl: 32px;
}

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

body {
    font-family: var(--font-outfit);
    background-color: var(--bg-light);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.luminous-page {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, #FFFFFF 0%, #F0F0F0 100%);
}

.login-container {
    display: flex;
    width: 1100px;
    max-width: 95vw;
    height: 680px;
    background: var(--clean-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-premium);
    overflow: hidden;
}

/* Image Panel: Vibrant & Lit Up */
.image-panel {
    flex: 1.2;
    position: relative;
    background: url('../images/elite_login_bg.png') no-repeat center center;
    background-size: cover;
    display: flex;
    flex-direction: column;
    padding: 60px;
}

.image-scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.4) 100%);
    z-index: 1;
}

.brand-branding {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.logo-box {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 900;
    color: white;
    letter-spacing: 2px;
}

.logo-box i {
    color: var(--luminous-yellow);
    font-size: 32px;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
}

.hero-block {
    margin-top: auto;
    margin-bottom: 40px;
}

.hero-block h1 {
    font-size: 56px;
    line-height: 1.1;
    font-weight: 900;
    color: white;
    margin-bottom: 20px;
    text-shadow: 0 10px 20px rgba(0,0,0,0.4);
}

.hero-block h1 span {
    color: var(--luminous-yellow);
}

.hero-block p {
    font-size: 18px;
    color: white;
    line-height: 1.6;
    max-width: 450px;
    font-weight: 600;
    text-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(15px);
    border-radius: 100px;
    color: white;
    font-size: 13px;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.image-footer {
    position: relative;
    z-index: 2;
    margin-top: auto;
    font-size: 12px;
    color: white;
    opacity: 0.8;
}

/* Auth Panel: Clean & Luminous */
.auth-panel {
    flex: 1;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

.auth-box {
    width: 100%;
    max-width: 360px;
}

.auth-header {
    margin-bottom: 40px;
}

.auth-header h2 {
    font-size: 36px;
    font-weight: 900;
    color: var(--text-deep);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.auth-header p {
    font-size: 16px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Clean Input Styling */
.input-set {
    margin-bottom: 25px;
}

.input-set label {
    display: block;
    font-size: 11px;
    font-weight: 800;
    color: var(--text-deep);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
}

.input-line {
    position: relative;
    background: #F0F0F0;
    border-radius: 14px;
    border: 2px solid transparent;
    transition: 0.3s;
}

.input-line i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #888;
    font-size: 18px;
    transition: 0.3s;
}

.input-line input {
    width: 100%;
    background: transparent;
    border: none;
    padding: 18px 20px 18px 52px;
    color: var(--text-deep);
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
}

.input-line input:focus { outline: none; }

.input-line:focus-within {
    background: white;
    border-color: var(--luminous-yellow);
    box-shadow: 0 10px 20px rgba(255, 191, 0, 0.1);
}

.input-line:focus-within i { color: var(--luminous-yellow); }

/* Luminous Button */
.luminous-btn {
    width: 100%;
    padding: 20px;
    border-radius: 14px;
    border: none;
    background: linear-gradient(135deg, var(--luminous-yellow) 0%, var(--luminous-amber) 100%);
    color: #000;
    font-size: 15px;
    font-weight: 950;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: 0.3s;
    box-shadow: 0 15px 30px rgba(255, 191, 0, 0.2);
}

.luminous-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(255, 191, 0, 0.3);
}

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

/* Feedback elements */
.alert-banner {
    display: none;
    padding: 15px 20px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 30px;
    align-items: center;
    gap: 10px;
}

.danger {
    background: #FFF5F5;
    color: #E53E3E;
    border: 1px solid #FC8181;
}

.set-msg {
    color: #E53E3E;
    font-size: 11px;
    font-weight: 700;
    margin-top: 6px;
    display: none;
    align-items: center;
    gap: 5px;
}

.active { display: flex !important; }

.auth-footer {
    margin-top: 40px;
    text-align: center;
}

.auth-footer p {
    font-size: 14px;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--text-deep);
    text-decoration: none;
    font-weight: 800;
    border-bottom: 2px solid var(--luminous-yellow);
}

/* Responsive & Animations */
.stagger {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.8s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

.stagger:nth-child(1) { animation-delay: 0.1s; }
.stagger:nth-child(2) { animation-delay: 0.2s; }
.stagger:nth-child(3) { animation-delay: 0.3s; }
.stagger:nth-child(4) { animation-delay: 0.4s; }

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

@media (max-width: 1000px) {
    .image-panel { display: none; }
    .login-container { width: 100%; max-width: 450px; height: auto; }
}