:root {
    --primary: #4361ee;
    --primary-light: #e6f0ff;
    --text: #2b2d42;
    --text-light: #8d99ae;
    --border: #edf2f4;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

.gsi-material-button {
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    -webkit-appearance: none;
    background-color: WHITE;
    background-image: none;
    border: 1px solid #747775;
    -webkit-border-radius: 4px;
    border-radius: 4px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    color: #1f1f1f;
    cursor: pointer;
    font-family: 'Roboto', arial, sans-serif;
    font-size: 14px;
    height: 40px;
    letter-spacing: 0.25px;
    outline: none;
    overflow: hidden;
    padding: 0 12px;
    position: relative;
    text-align: center;
    -webkit-transition: background-color .218s, border-color .218s, box-shadow .218s;
    transition: background-color .218s, border-color .218s, box-shadow .218s;
    vertical-align: middle;
    white-space: nowrap;
    width: 100%;
    max-width: 400px;
    min-width: min-content;
    display: block;
    text-decoration: none;
}

.gsi-material-button .gsi-material-button-icon {
    height: 20px;
    margin-right: 12px;
    min-width: 20px;
    width: 20px;
}

.gsi-material-button .gsi-material-button-content-wrapper {
    -webkit-align-items: center;
    align-items: center;
    display: flex;
    -webkit-flex-direction: row;
    flex-direction: row;
    -webkit-flex-wrap: nowrap;
    flex-wrap: nowrap;
    height: 100%;
    justify-content: space-between;
    position: relative;
    width: 100%;
}

.gsi-material-button .gsi-material-button-contents {
    -webkit-flex-grow: 1;
    flex-grow: 1;
    font-family: 'Roboto', arial, sans-serif;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: top;
}

.gsi-material-button .gsi-material-button-state {
    -webkit-transition: opacity .218s;
    transition: opacity .218s;
    bottom: 0;
    left: 0;
    opacity: 0;
    position: absolute;
    right: 0;
    top: 0;
}

.gsi-material-button:disabled {
    cursor: default;
    background-color: #ffffff61;
    border-color: #1f1f1f1f;
}

.gsi-material-button:disabled .gsi-material-button-contents {
    opacity: 38%;
}

.gsi-material-button:disabled .gsi-material-button-icon {
    opacity: 38%;
}

.gsi-material-button:not(:disabled):active .gsi-material-button-state,
.gsi-material-button:not(:disabled):focus .gsi-material-button-state {
    background-color: #303030;
    opacity: 12%;
}

.gsi-material-button:not(:disabled):hover {
    -webkit-box-shadow: 0 1px 2px 0 rgba(60, 64, 67, .30), 0 1px 3px 1px rgba(60, 64, 67, .15);
    box-shadow: 0 1px 2px 0 rgba(60, 64, 67, .30), 0 1px 3px 1px rgba(60, 64, 67, .15);
}

.gsi-material-button:not(:disabled):hover .gsi-material-button-state {
    background-color: #303030;
    opacity: 8%;
}

/*body {*/
/*    background: linear-gradient(135deg, #E0F7FA 0%, #F3E5F5 100%);*/
/*    font-family: 'Arial', sans-serif;*/
/*    display: flex;*/
/*    justify-content: center;*/
/*    align-items: center;*/
/*    height: 100vh;*/
/*    margin: 0;*/
/*}*/

body {
    background-color: #f8fafc;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

body {
    margin: 0;
    padding: 0;
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    min-height: 100vh;
    overflow-x: hidden;
}

/* For better performance on mobile devices */
@media (max-width: 768px) {
    body {
        background-attachment: scroll;
    }
}

/* Optional: Add overlay if text needs better contrast */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3); /* Adjust opacity as needed */
    z-index: -1;
}

.auth-card {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.promo-banner {
    background: linear-gradient(135deg, #4361ee, #3a0ca3);
    color: white;
    padding: 20px;
    text-align: center;
}

.promo-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.promo-subtitle {
    font-size: 0.875rem;
    opacity: 0.9;
}

.auth-content {
    padding: 32px;
}

.input-group {
    margin-bottom: 20px;
}

.input-label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 8px;
    font-weight: 500;
}

.input-field {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9375rem;
    transition: border 0.3s ease;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.password-field {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-light);
}

.submit-btn {
    width: 100%;
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #3a56e5;
}

.auth-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
    font-size: 0.875rem;
}

.footer-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

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

.divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: var(--text-light);
    font-size: 0.75rem;
}

.divider::before, .divider::after {
    content: "";
    flex: 1;
    border-bottom: 1px solid var(--border);
}

.divider::before {
    margin-right: 16px;
}

.divider::after {
    margin-left: 16px;
}

.social-login {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.social-btn:hover {
    background-color: #f8fafc;
}

.social-icon {
    width: 20px;
    height: 20px;
}

.fb-login-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #1877F2; /* Facebook mavi */
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    font-family: Helvetica, Arial, sans-serif;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
    width: 100%;
}

.fb-login-button:hover {
    background-color: #166FE5; /* Daha tünd mavi */
}

.fb-login-button:active {
    background-color: #145BBD;
}

.fb-icon {
    margin-right: 8px;
    width: 20px;
    height: 20px;
    background-color: white;
    mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="currentColor" d="M22 12c0-5.52-4.48-10-10-10S2 6.48 2 12c0 4.84 3.44 8.87 8 9.8V15H8v-3h2V9.5C10 7.57 11.57 6 13.5 6H16v3h-2c-.55 0-1 .45-1 1v2h3v3h-3v6.95c5.05-.5 9-4.76 9-9.95z"/></svg>') no-repeat center;
}

.floating-back-btn {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    z-index: 100;
    transition: all 0.3s ease;
    color: var(--primary);
}

.floating-back-btn:hover {
    transform: translateX(-3px);
    background: var(--primary-light);
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.2);
}