/* ============================================
   LOGIN PAGE - EXAMINATION THEME
   ============================================ */

:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #2dd4bf;
    --secondary: #0ea5e9;
    --accent: #6366f1;
    --bg-dark: #042f2e;
    --bg-dark-end: #134e4a;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --text-light: #f0fdfa;
    --border: #e2e8f0;
    --radius: 24px;
}

/* Container */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-end) 100%);
    position: relative;
    overflow: hidden;
}

/* Animated Background */
.background-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    top: -150px;
    right: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--secondary), #38bdf8);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--accent), #a5b4fc);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-30px, 30px) scale(0.95); }
    75% { transform: translate(-50px, -30px) scale(1.05); }
}

/* Login Card */
.login-card {
    display: flex;
    width: 100%;
    max-width: 900px;
    min-height: 520px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
    overflow: hidden;
    position: relative;
    z-index: 1;
    animation: cardAppear 0.6s ease-out;
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Brand Panel */
.brand-panel {
    flex: 0 0 42%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.brand-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Education Icon */
.icon-wrapper {
    position: relative;
    width: 130px;
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-bg {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 32px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    animation: iconPulse 3s infinite ease-in-out;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

.education-icon {
    width: 70px;
    height: 70px;
    color: white;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    animation: iconFloat 3s infinite ease-in-out;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.float-item {
    position: absolute;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
}

.float-item svg {
    width: 18px;
    height: 18px;
}

.float-1 {
    top: 20%;
    left: 15%;
    animation: floatItem1 6s infinite ease-in-out;
}

.float-2 {
    top: 25%;
    right: 10%;
    animation: floatItem2 7s infinite ease-in-out;
    animation-delay: -1s;
}

.float-3 {
    bottom: 30%;
    left: 10%;
    animation: floatItem3 5s infinite ease-in-out;
    animation-delay: -2s;
}

.float-4 {
    bottom: 20%;
    right: 15%;
    animation: floatItem4 6s infinite ease-in-out;
    animation-delay: -3s;
}

@keyframes floatItem1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(10px, -15px) rotate(10deg); }
}

@keyframes floatItem2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-12px, 10px) rotate(-8deg); }
}

@keyframes floatItem3 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(8px, 12px) rotate(12deg); }
}

@keyframes floatItem4 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-10px, -8px) rotate(-10deg); }
}

/* Decorative Elements */
.brand-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.circle-1 {
    width: 280px;
    height: 280px;
    bottom: -80px;
    left: -80px;
    animation: rotate 35s linear infinite;
}

.circle-2 {
    width: 180px;
    height: 180px;
    top: -40px;
    right: -40px;
    animation: rotate 28s linear infinite reverse;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Grid Pattern */
.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
}

/* Form Panel */
.form-panel {
    flex: 1;
    padding: 60px 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
}

.form-content {
    width: 100%;
    max-width: 340px;
}

.form-header {
    margin-bottom: 36px;
    text-align: center;
}

.form-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.5px;
}

/* Input Group */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 28px;
}

/* MudBlazor Input Customization */
.custom-input .mud-input-outlined-border {
    border-radius: 12px !important;
    border-color: var(--border) !important;
    transition: all 0.2s ease !important;
}

.custom-input:hover .mud-input-outlined-border {
    border-color: var(--primary-light) !important;
}

.custom-input.mud-input-root-focused .mud-input-outlined-border {
    border-color: var(--primary) !important;
    border-width: 2px !important;
}

.custom-input .mud-input-slot {
    color: var(--text-muted) !important;
}

.custom-input .mud-input-label {
    color: var(--text-muted) !important;
}

.custom-input.mud-input-root-focused .mud-input-label {
    color: var(--primary) !important;
}

/* Submit Button */
.submit-button {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    color: white !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    padding: 14px 28px !important;
    border-radius: 12px !important;
    text-transform: none !important;
    box-shadow: 0 4px 15px rgba(13, 148, 136, 0.4) !important;
    transition: all 0.3s ease !important;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(13, 148, 136, 0.5) !important;
}

.submit-button:active:not(:disabled) {
    transform: translateY(0) !important;
}

.submit-button:disabled {
    background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%) !important;
    box-shadow: none !important;
}

.button-loader {
    color: white !important;
}

/* Responsive */
@media (max-width: 768px) {
    .login-card {
        flex-direction: column;
        max-width: 420px;
        min-height: auto;
    }

    .brand-panel {
        flex: none;
        padding: 40px 30px;
    }

    .icon-wrapper {
        width: 100px;
        height: 100px;
    }

    .education-icon {
        width: 50px;
        height: 50px;
    }

    .form-panel {
        padding: 40px 30px;
    }

    .circle-1, .circle-2 {
        display: none;
    }

    .float-item {
        width: 28px;
        height: 28px;
    }

    .float-item svg {
        width: 14px;
        height: 14px;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 15px;
    }

    .login-card {
        border-radius: 20px;
    }

    .brand-panel {
        padding: 30px 20px;
    }

    .form-panel {
        padding: 30px 20px;
    }

    .form-title {
        font-size: 1.5rem;
    }

    .floating-elements {
        display: none;
    }
}