/* Root Variables - Zenginleştirilmiş Renk Paleti */
:root {
    --primary: #4361ee;
    --primary-dark: #3046c1;
    --primary-darker: #2034a3;
    --primary-light: #eef2ff;
    --primary-glass: rgba(67, 97, 238, 0.1);
    --secondary: #7209b7;
    --secondary-light: #f3e8ff;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --light-gray: #94a3b8;
    --lighter-gray: #e2e8f0;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.18);
    --shadow-sm: 0 2px 8px rgba(67, 97, 238, 0.08);
    --shadow-md: 0 8px 24px rgba(67, 97, 238, 0.12);
    --shadow-lg: 0 12px 32px rgba(67, 97, 238, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-light: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
}

/* Base Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Main Container */
.login-container {
    display: flex;
    min-height: 100vh;
    background: var(--primary-light);
}

/* Video Section - Geliştirilmiş */
.video-section {
    position: relative;
    flex: 1;
    background: var(--dark);
    overflow: hidden;
}

.background-video {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
}

.video-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient( 45deg, rgba(67, 97, 238, 0.3), rgba(114, 9, 183, 0.3) );
}

/* Login Section - Yeniden Tasarlandı */
.login-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: var(--gradient-light);
    position: relative;
    overflow: hidden;
}

/* Login Box - Büyütüldü ve İyileştirildi */
.login-box {
    width: 100%;
    max-width: 520px;
    padding: 3.5rem;
    background: var(--glass-bg);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

/* Login Header - Daha Büyük ve Etkileyici */
.login-header {
    text-align: center;
    margin-bottom: 3rem;
}

    .login-header h1 {
        font-size: 2.75rem;
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 1rem;
        letter-spacing: -0.02em;
        background: var(--gradient-primary);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .login-header p {
        font-size: 1.125rem;
        color: var(--gray);
        font-weight: 400;
    }

/* Form Elements - Yeniden Tasarlandı */
.form-group {
    margin-bottom: 2rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

    .input-wrapper i {
        position: absolute;
        left: 1.5rem;
        font-size: 1.25rem;
        color: var(--light-gray);
        transition: all 0.3s ease;
    }

    .input-wrapper .toggle-password {
        left: auto;
        right: 1.5rem;
        cursor: pointer;
        opacity: 0.7;
        transition: opacity 0.3s ease;
    }

        .input-wrapper .toggle-password:hover {
            opacity: 1;
        }

    .input-wrapper input {
        width: 100%;
        height: 60px;
        padding: 0 3.5rem;
        font-size: 1.125rem;
        color: var(--dark);
        background: var(--white);
        border: 2px solid var(--lighter-gray);
        border-radius: 16px;
        transition: all 0.3s ease;
    }

        .input-wrapper input::placeholder {
            color: var(--light-gray);
        }

        .input-wrapper input:hover {
            border-color: var(--primary);
        }

        .input-wrapper input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px var(--primary-glass);
        }

            .input-wrapper input:focus + i {
                color: var(--primary);
            }

/* Checkbox ve Şifremi Unuttum - İyileştirildi */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

    .remember-me input[type="checkbox"] {
        width: 1.25rem;
        height: 1.25rem;
        border: 2px solid var(--lighter-gray);
        border-radius: 6px;
        cursor: pointer;
        transition: all 0.2s ease;
    }

    .remember-me span {
        font-size: 1rem;
        color: var(--gray);
    }

.forgot-password {
    color: var(--primary);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

    .forgot-password:hover {
        color: var(--primary-dark);
        text-decoration: underline;
    }

/* Login Button - Daha Büyük ve Etkileyici */
.login-button {
    width: 100%;
    height: 60px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 16px;
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(67, 97, 238, 0.25);
}

    .login-button:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(67, 97, 238, 0.35);
    }

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

    .login-button i {
        font-size: 1.25rem;
    }

/* Error Message - Yeniden Tasarlandı */
.login-error {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem;
    margin-top: 1.5rem;
    background: #fef2f2;
    border: 1px solid #fee2e2;
    border-radius: 16px;
    color: var(--error);
    font-size: 1rem;
}

    .login-error.show {
        display: flex;
    }

    .login-error i {
        font-size: 1.25rem;
    }

/* Responsive Design - İyileştirildi */
@media (max-width: 1200px) {
    .login-box {
        max-width: 480px;
        padding: 3rem;
    }

    .login-header h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 1024px) {
    .login-container {
        flex-direction: column;
    }

    .video-section {
        height: 35vh;
    }

    .login-section {
        padding: 2.5rem 1.5rem;
    }
}

@media (max-width: 640px) {
    .login-box {
        padding: 2rem;
    }

    .login-header h1 {
        font-size: 2.25rem;
    }

    .input-wrapper input {
        height: 54px;
        font-size: 1rem;
    }

    .login-button {
        height: 54px;
    }

    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.login-box {
    animation: fadeIn 0.6s ease-out;
}