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

html {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

:root {
    --primary-color: #0d1425;
    --accent-color: #ffd700;
    --accent-color-2: #ffa500;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
}

body {
    font-family: 'Inter', 'Poppins', sans-serif;
    background: var(--primary-color);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    min-height: 100vh;
    background: #0d1425;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
    margin: 0;
    padding: 0;
    overflow: hidden;
    animation: fadeIn 0.5s ease-in;
}

.stars-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 10% 20%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(1px 1px at 25% 35%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 40% 15%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 55% 45%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(2px 2px at 70% 30%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 85% 55%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 15% 60%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 30% 75%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(2px 2px at 50% 80%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 65% 25%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 80% 70%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 90% 40%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(2px 2px at 5% 50%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 20% 85%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 35% 10%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 60% 65%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(2px 2px at 75% 20%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 45% 90%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 95% 75%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 12% 30%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(2px 2px at 28% 55%, rgba(255, 255, 255, 0.6), transparent),
        radial-gradient(1px 1px at 42% 25%, rgba(255, 255, 255, 0.8), transparent),
        radial-gradient(2px 2px at 58% 70%, rgba(255, 255, 255, 0.7), transparent),
        radial-gradient(1px 1px at 72% 45%, rgba(255, 255, 255, 0.9), transparent),
        radial-gradient(2px 2px at 88% 15%, rgba(255, 255, 255, 0.6), transparent);
    background-size: 200% 200%;
    background-position: 0% 0%, 5% 5%, 10% 10%, 15% 15%, 20% 20%, 25% 25%, 30% 30%, 35% 35%, 40% 40%, 45% 45%, 50% 50%, 55% 55%, 60% 60%, 65% 65%, 70% 70%, 75% 75%, 80% 80%, 85% 85%, 90% 90%, 95% 95%, 100% 100%, 0% 50%, 50% 0%, 0% 100%, 100% 0%;
    animation: starsMove 20s linear infinite;
    opacity: 0.6;
    z-index: 1;
}

@keyframes starsMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(-50%, -50%);
    }
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    display: none; /* Circle şeklindeki particles kaldırıldı */
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
    /* animation: particleFloat 8s ease-in-out infinite; */ /* Yanıp sönen ışıklar kaldırıldı */
    display: none; /* Particles tamamen gizlendi */
}

.particle:nth-child(1) {
    left: 10%;
    top: 20%;
    animation-delay: 0s;
    animation-duration: 10s;
}

.particle:nth-child(2) {
    left: 80%;
    top: 30%;
    animation-delay: 1s;
    animation-duration: 12s;
}

.particle:nth-child(3) {
    left: 30%;
    top: 60%;
    animation-delay: 2s;
    animation-duration: 9s;
}

.particle:nth-child(4) {
    left: 70%;
    top: 50%;
    animation-delay: 3s;
    animation-duration: 11s;
}

.particle:nth-child(5) {
    left: 50%;
    top: 15%;
    animation-delay: 4s;
    animation-duration: 13s;
}

.particle:nth-child(6) {
    left: 20%;
    top: 70%;
    animation-delay: 5s;
    animation-duration: 10s;
}

.particle:nth-child(7) {
    left: 90%;
    top: 80%;
    animation-delay: 6s;
    animation-duration: 8s;
}

.particle:nth-child(8) {
    left: 60%;
    top: 40%;
    animation-delay: 7s;
    animation-duration: 14s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(20px, -30px) scale(1.2);
        opacity: 0.8;
    }
    50% {
        transform: translate(-15px, -50px) scale(0.9);
        opacity: 1;
    }
    75% {
        transform: translate(25px, -20px) scale(1.1);
        opacity: 0.7;
    }
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    z-index: 3;
    pointer-events: none;
    /* animation: gradientPulse 6s ease-in-out infinite; */ /* Işık patlaması kaldırıldı */
    opacity: 0.3; /* Sabit opacity */
}

@keyframes gradientPulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: relative;
    animation: slideUp 0.6s ease-out;
    gap: 40px;
    padding-bottom: 0;
    z-index: 4;
    overflow: hidden;
}

.loading-progress {
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
    z-index: 2;
}

.loading-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3),
        rgba(255, 255, 255, 0.9),
        rgba(255, 255, 255, 0.3),
        transparent);
    border-radius: 2px;
    animation: loadingProgress 3s ease-out forwards, progressGlow 2s ease-in-out infinite;
    box-shadow: 
        0 0 10px rgba(255, 255, 255, 0.5),
        0 0 20px rgba(255, 255, 255, 0.3),
        inset 0 0 10px rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.loading-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent);
    animation: progressShine 1.5s ease-in-out infinite;
}

@keyframes progressGlow {
    0%, 100% {
        box-shadow: 
            0 0 10px rgba(255, 255, 255, 0.5),
            0 0 20px rgba(255, 255, 255, 0.3),
            inset 0 0 10px rgba(255, 255, 255, 0.2);
    }
    50% {
        box-shadow: 
            0 0 15px rgba(255, 255, 255, 0.8),
            0 0 30px rgba(255, 255, 255, 0.5),
            inset 0 0 15px rgba(255, 255, 255, 0.3);
    }
}

@keyframes progressShine {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes loadingProgress {
    0% {
        width: 0%;
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        width: 100%;
        opacity: 0.8;
    }
}

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

.loading-title {
    font-family: 'Montserrat', 'Inter', sans-serif;
    font-size: 48px;
    font-weight: 200;
    letter-spacing: 24px;
    color: #ffffff;
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    text-transform: uppercase;
    position: relative;
    z-index: 2;
}

.loading-title .letter {
    display: inline-block;
    text-shadow: 
        0 0 10px rgba(255, 255, 255, 0.8),
        0 0 20px rgba(255, 255, 255, 0.6),
        0 0 30px rgba(255, 255, 255, 0.4),
        0 0 40px rgba(255, 255, 255, 0.2);
    animation: letterGlow 2s ease-in-out infinite;
    animation-delay: calc(var(--delay) * 0.1s);
}

.loading-title .letter:nth-child(1) { --delay: 0; }
.loading-title .letter:nth-child(2) { --delay: 1; }
.loading-title .letter:nth-child(3) { --delay: 2; }
.loading-title .letter:nth-child(4) { --delay: 3; }
.loading-title .letter:nth-child(5) { --delay: 4; }
.loading-title .letter:nth-child(6) { --delay: 5; }

@keyframes letterGlow {
    0%, 100% {
        opacity: 0.4;
        text-shadow: 
            0 0 10px rgba(255, 255, 255, 0.5),
            0 0 20px rgba(255, 255, 255, 0.4),
            0 0 30px rgba(255, 255, 255, 0.3),
            0 0 40px rgba(255, 255, 255, 0.2);
        transform: scale(1) translateY(0);
    }
    50% {
        opacity: 1;
        text-shadow: 
            0 0 15px rgba(255, 255, 255, 1),
            0 0 30px rgba(255, 255, 255, 0.9),
            0 0 50px rgba(255, 255, 255, 0.7),
            0 0 70px rgba(255, 255, 255, 0.5),
            0 0 100px rgba(255, 255, 255, 0.3);
        transform: scale(1.03) translateY(-2px);
    }
}

/* Main Container Animation */
.container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    overflow-y: auto;
    overflow-x: hidden;
}

.container.visible {
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.8s ease-out;
}

.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: #0d1425;
    position: relative;
    overflow: hidden;
}

.background-container .stars-background {
    z-index: 1;
    opacity: 0.4;
    animation: starsMove 20s linear infinite;
}

.background-container .particles-container {
    z-index: 2;
    display: none; /* Circle şeklindeki particles kaldırıldı */
}

.background-container .particle {
    width: 3px;
    height: 3px;
    opacity: 0.6;
    display: none; /* Particles tamamen gizlendi */
}

.background-container .gradient-overlay {
    z-index: 3;
    opacity: 0.3;
}

.background-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
    /* animation: backgroundPulse 8s ease-in-out infinite; */ /* Işık patlaması kaldırıldı */
    opacity: 0.5; /* Sabit opacity */
}

.background-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(0deg, transparent, transparent 1px, rgba(255, 255, 255, 0.01) 1px, rgba(255, 255, 255, 0.01) 2px),
        repeating-linear-gradient(90deg, transparent, transparent 1px, rgba(255, 255, 255, 0.01) 1px, rgba(255, 255, 255, 0.01) 2px);
    opacity: 0.3;
    pointer-events: none;
}

@keyframes backgroundPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}


.login-card {
    width: 100%;
    max-width: 450px;
}

.card-front {
    background: rgba(13, 20, 37, 0.5);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    padding: 52px 44px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    position: relative;
    width: 100%;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card-front::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    transition: left 0.6s;
}

.card-front:hover::before {
    left: 100%;
}

.card-front:hover {
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 
        0 12px 48px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.logo-section {
    text-align: center;
    margin-bottom: 44px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.solar-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 28px;
    color: rgba(255, 255, 255, 0.7);
    opacity: 0.6;
    transition: all 0.3s ease;
    filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.2));
}

.solar-icon:hover {
    opacity: 0.9;
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.3));
}

.title {
    font-family: 'Montserrat', 'Inter', sans-serif;
    font-size: 38px;
    font-weight: 200;
    color: #ffffff;
    margin-bottom: 10px;
    letter-spacing: 18px;
    text-transform: uppercase;
    text-shadow: 
        0 0 10px rgba(255, 255, 255, 0.3),
        0 0 20px rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.subtitle {
    font-family: 'Montserrat', 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-top: 14px;
    transition: all 0.3s ease;
}

.login-form {
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.form-group {
    margin-bottom: 26px;
    position: relative;
    animation: fadeInUp 0.6s ease-out both;
}

.form-group:nth-child(1) {
    animation-delay: 0.5s;
}

.form-group:nth-child(2) {
    animation-delay: 0.6s;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: 'Montserrat', 'Inter', sans-serif;
}

.input-icon {
    width: 14px;
    height: 14px;
    color: rgba(255, 255, 255, 0.5);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.form-group:focus-within .input-icon {
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

.form-group input {
    width: 100%;
    padding: 15px 20px;
    padding-right: 48px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 0;
    color: #ffffff;
    font-size: 14px;
    font-family: 'Montserrat', 'Inter', sans-serif;
    font-weight: 300;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-appearance: none;
    appearance: none;
    position: relative;
}

.form-group input::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.5);
    transition: width 0.4s ease;
}

.form-group input::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.form-group input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.06);
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.15),
        0 4px 16px rgba(0, 0, 0, 0.25),
        0 0 20px rgba(255, 255, 255, 0.05);
    transform: translateY(-1px);
}

.form-group input:focus::after {
    width: 100%;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    margin-top: 12px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-width: 32px;
    min-height: 32px;
    z-index: 10;
    border-radius: 4px;
}

.toggle-password:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-50%) scale(1.1);
}

.toggle-password:hover {
    color: rgba(255, 255, 255, 0.8);
}

.toggle-password svg {
    width: 20px;
    height: 20px;
}

.form-options {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 30px;
    font-size: 13px;
    animation: fadeInUp 0.6s ease-out 0.7s both;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 300;
    font-family: 'Montserrat', 'Inter', sans-serif;
    font-size: 12px;
    transition: all 0.3s ease;
    user-select: none;
}

.checkbox-label:hover {
    color: rgba(255, 255, 255, 0.8);
    transform: translateX(2px);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
    transform: scale(1);
}

.checkbox-label input[type="checkbox"]:hover {
    transform: scale(1.1);
}

.checkbox-label input[type="checkbox"]:checked {
    transform: scale(1.05);
}

.forgot-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-weight: 300;
    transition: all 0.3s ease;
    font-family: 'Montserrat', 'Inter', sans-serif;
    font-size: 12px;
    letter-spacing: 0.5px;
}

.forgot-link:hover {
    color: var(--accent-color-2);
}

.login-button {
    width: 100%;
    padding: 15px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0;
    color: #ffffff;
    font-size: 13px;
    font-weight: 300;
    font-family: 'Montserrat', 'Inter', sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
    letter-spacing: 2px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    position: relative;
    overflow: hidden;
}

.login-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s;
}

.login-button:hover::before {
    left: 100%;
}

.login-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.login-button:active::after {
    width: 300px;
    height: 300px;
}

.login-button:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 
        0 4px 16px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.login-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.login-button:active {
    transform: translateY(0);
}

.login-button svg {
    width: 20px;
    height: 20px;
}

.divider {
    text-align: center;
    margin: 32px 0;
    position: relative;
    color: rgba(255, 255, 255, 0.4);
    font-size: 11px;
    font-weight: 300;
    font-family: 'Montserrat', 'Inter', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.social-login {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 28px;
}

.social-button {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.social-button svg {
    width: 24px;
    height: 24px;
}

.social-button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

.social-button:active {
    transform: scale(0.95);
}

.signup-link {
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 300;
    font-family: 'Montserrat', 'Inter', sans-serif;
}

.signup-link a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-weight: 300;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.signup-link a:hover {
    color: rgba(255, 255, 255, 0.9);
}

/* Loading Screen Mobile */
@media (max-width: 768px) {
    .loading-title {
        font-size: 36px;
        letter-spacing: 18px;
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .loading-title {
        font-size: 28px;
        letter-spacing: 14px;
        gap: 10px;
    }
    
    .loading-content {
        gap: 30px;
    }
}

@media (max-width: 360px) {
    .loading-title {
        font-size: 24px;
        letter-spacing: 12px;
        gap: 8px;
    }
}

/* Tablet */
@media (max-width: 768px) {
    .card-front {
        padding: 40px 32px;
        border-radius: 20px;
    }
    
    .title {
        font-size: 30px;
        letter-spacing: 1.5px;
    }
    
    .solar-icon {
        width: 56px;
        height: 56px;
    }
    
    .form-group input {
        padding: 14px 18px;
        padding-right: 48px;
        font-size: 16px;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .container {
        padding: 16px;
        align-items: center;
        justify-content: center;
    }
    
    .card-front {
        padding: 32px 24px;
        border-radius: 18px;
        max-width: 100%;
    }
    
    .logo-section {
        margin-bottom: 32px;
    }
    
    .title {
        font-size: 26px;
        letter-spacing: 1px;
        margin-bottom: 6px;
    }
    
    .subtitle {
        font-size: 12px;
    }
    
    .solar-icon {
        width: 52px;
        height: 52px;
        margin-bottom: 16px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group label {
        font-size: 12px;
        margin-bottom: 8px;
    }
    
    .form-group input {
        padding: 14px 16px;
        padding-right: 44px;
        font-size: 16px;
        border-radius: 10px;
    }
    
    .toggle-password {
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        margin-top: 12px;
        padding: 6px;
    }
    
    .toggle-password svg {
        width: 18px;
        height: 18px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        margin-bottom: 24px;
    }
    
    .forgot-link {
        font-size: 12px;
        width: 100%;
        text-align: right;
    }
    
    .login-button {
        padding: 14px;
        font-size: 15px;
        border-radius: 10px;
    }
    
    .divider {
        margin: 24px 0;
        font-size: 12px;
    }
    
    .social-login {
        gap: 10px;
        margin-bottom: 24px;
    }
    
    .social-button {
        width: 44px;
        height: 44px;
        border-radius: 10px;
    }
    
    .social-button svg {
        width: 20px;
        height: 20px;
    }
    
    .signup-link {
        font-size: 13px;
    }
}

/* Small Mobile */
@media (max-width: 360px) {
    .container {
        padding: 12px;
        align-items: center;
        justify-content: center;
    }
    
    .card-front {
        padding: 28px 20px;
    }
    
    .title {
        font-size: 24px;
    }
    
    .solar-icon {
        width: 48px;
        height: 48px;
    }
    
    .form-group input {
        padding: 12px 14px;
        padding-right: 40px;
    }
    
    .login-button {
        padding: 12px;
    }
}