:root {
    --primary: #22c55e;
    --primary-hover: #16a34a;
    --bg-color: #f8fafc;
    --text-dark: #0f172a;
    --text-light: #64748b;
    --input-bg: #f1f5f9;
    --white: #ffffff;
    --border-color: #e2e8f0;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.header {
    position: absolute;
    top: 30px;
    left: 30px;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo-text {
    font-size: 45px;
    font-weight: 700;
    color: var(--text-dark);
}

.main-container {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-height: 100vh;
}

.left-section {
    display: none; 
    position: relative;
    width: 50%;
    align-items: center;
    justify-content: center;
    padding: 48px;
    background-image: url('ChatGPT\ Image\ Jun\ 4\,\ 2026\,\ 04_24_24\ PM.png');
    background-size: cover;
    background-position: center;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0.2), rgba(0,0,0,0.6));
}

.glass-panel {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(12px); 
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 40px;
    border-radius: 24px;
    text-align: center;
    max-width: 450px;
    color: var(--white);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.glass-panel h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.glass-panel p {
    font-size: 18px;
    line-height: 1.6;
    opacity: 0.9;
}

.right-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    padding-top: 100px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--white);
    padding: 40px;
    border-radius: 32px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-color);
}

.card-header {
    text-align: center;
    margin-bottom: 32px;
}

.card-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    margin: 0 auto 16px auto;
    display: block;
}

.card-header h1 { font-size: 28px; margin-bottom: 8px; }
.card-header p { color: var(--text-light); }

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    pointer-events: none;
}

.form-control {
    width: 100%;
    padding: 16px 16px 16px 48px;
    background-color: var(--input-bg);
    border: 2px solid transparent;
    border-radius: 16px;
    font-size: 15px;
    font-family: inherit;
    color: var(--text-dark);
    transition: all 0.3s ease;
    outline: none;
}

.form-control:hover{
    border-color: #79bd92a6;
}

.form-control::placeholder { color: var(--text-light); }
.form-control:focus {
    background-color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.1);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-light);
}

.checkbox-container input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.forgot-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.forgot-link:hover { text-decoration: underline; }

.form-actions {
    display: flex;
    flex-direction: row; 
    gap: 12px;
    margin-top: 10px;
}

.btn {
    flex: 1; 
    width: 100%;
    padding: 16px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover { 
    background-color: var(--input-bg); 
    transform: translateY(-2px);
}

.copyright-text {
    position: fixed;
    bottom: 24px; 
    right: 32px;    
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    z-index: 50;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.copyright-text:hover {
    opacity: 1;
}

.copyright-text a {
    color: var(--primary);
}

/* ========================================= */
/* BİLGİSAYAR EKRANI UYUMU (DESKTOP)         */
/* ========================================= */
@media (min-width: 768px) {
    .main-container {
        flex-direction: row;
    }

    .left-section {
        display: flex; 
    }

    .right-section {
        width: 50%;
        padding-top: 24px;
    }

    .logo-text {
        color: var(--white); 
    }
}

/* ========================================= */
/* MOBİL EKRAN UYUMU (TELEFONLAR)            */
/* ========================================= */
@media (max-width: 768px) {
    .header {
        top: 20px;
        left: 20px;
        gap: 10px;
    }

    .logo-img {
        width: 48px;
        height: 48px;
        border-radius: 12px;
    }

    .logo-text {
        font-size: 24px;
    }

    .right-section {
        padding-top: 100px; 
    }

    .login-card {
        padding: 30px 20px;
        border-radius: 24px;
    }

    .card-header h1 {
        font-size: 24px;
    }

    .copyright-text {
        position: static;
        text-align: center;
        padding: 24px 16px;
        width: 100%;
        font-size: 12px;
        margin-top: 10px;
    }
}