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

:root {
    --background: #091431;
    --card-bg: #060918;
    --input-bg: #131624;
    --input-border: #0f254e;
    --button-blue: #008de6;
    --text-white: #ffffff;
    --text-gray: #6c757d;
    --text-blue: #008de6;
    --error: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--background);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

.auth-container {
    position: relative;
    z-index: 10;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem; /* Add some padding for smaller screens */
}

    .auth-wrapper {
        display: flex;
        width: 100%;
        min-height: 100vh;
        background: var(--background);
        overflow: auto; /* Allow scrolling if content is too long */
        justify-content: center; /* Center horizontally */
        align-items: center;     /* Center vertically */
        padding: 20px; /* Add padding for overall spacing */
    }

    .auth-section {
        flex: 1; /* Allow to grow */
        max-width: 100%; /* Take full width */
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        padding: 0;
    }





.auth-card {
    background: var(--card-bg);
    border-radius: 16px;
    border: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    width: 100%;
    max-width: 380px; /* Default max-width for login/register */
    position: relative;
    animation: card-entrance 0.8s ease-out;
    margin: auto; /* Center the card itself within auth-section */
}

.auth-card.credential-card {
    max-width: 800px; /* Increased max-width for credential card */
    padding: 30px;
}


.auth-card.register-card {
    max-width: 400px;
}

@keyframes card-entrance {
    0% { opacity: 0; transform: translateY(30px) scale(0.95); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-header {
    padding: 25px 30px 15px;
    text-align: center;
    position: relative;
    background: transparent;
}

.auth-header.compact {
    padding: 20px 25px 15px;
}

.logo-container {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.logo-container img {
    max-width: 80px;
    width: auto;
    height: auto;
    display: block;
    margin: 0 auto;
    transition: transform 0.3s ease;
}

.logo-container:hover img {
    transform: scale(1.03);
}

.welcome-text h1 {
    color: var(--text-white);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 6px;
    letter-spacing: normal;
}

.auth-header.compact .welcome-text h1 {
    font-size: 24px;
    margin-bottom: 4px;
}

.welcome-text p {
    color: var(--text-gray);
    font-size: 14px;
    font-weight: 400;
}

.auth-body {
    padding: 15px 30px 25px;
    background: transparent;
}

.auth-body.compact {
    padding: 20px 25px 25px;
}

.form-group {
    margin-bottom: 14px;
    position: relative;
}

.form-label {
    display: none;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    color: var(--text-white);
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.auth-body.compact .form-control {
    padding: 11px 15px;
    font-size: 13px;
    border-width: 2px;
}

.form-control:focus {
    outline: none;
    border-color: var(--button-blue);
    background: var(--input-bg);
    box-shadow: 0 0 0 1px var(--button-blue);
}

.form-control::placeholder {
    color: var(--text-gray);
}

.input-group {
    position: relative;
}

.input-group .form-control {
    padding-right: 45px;
}

.auth-body.compact .input-group .form-control {
    padding-right: 50px;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-gray);
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    transition: all 0.3s ease;
    z-index: 10;
}

.auth-body.compact .password-toggle {
    padding: 5px;
    font-size: 18px;
}

.password-toggle:hover {
    color: var(--text-blue);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
    font-size: 13px;
    color: var(--text-white);
    user-select: none;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    height: 16px;
    width: 16px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 3px;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--button-blue);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--button-blue);
    border-color: var(--button-blue);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.forgot-link {
    color: var(--text-blue);
    text-decoration: none;
    font-size: 13px;
    font-weight: 400;
    transition: all 0.3s ease;
}

.forgot-link:hover {
    color: var(--text-blue);
    opacity: 0.8;
}

.tooltip-icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-left: 5px;
    cursor: help;
    color: var(--text-gray);
    transition: color 0.3s ease;
}

.tooltip-icon:hover {
    color: var(--text-blue);
}

.tooltip-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    color: var(--text-white);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    border: 1px solid var(--input-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    margin-bottom: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.tooltip-icon:hover::after {
    opacity: 1;
}

.tooltip-icon i {
    font-size: 14px;
}

.btn-auth {
    width: 100%;
    padding: 14px 24px;
    background: var(--button-blue);
    border: none;
    border-radius: 8px;
    color: var(--text-white);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 16px;
    font-family: 'Poppins', sans-serif;
}

.auth-body.compact .btn-auth {
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    margin: 12px 0;
}

.btn-auth:hover {
    opacity: 0.9;
}

.btn-loading {
    pointer-events: none;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top-color: var(--text-white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.social-login {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 16px;
}

.social-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--input-border);
    background: var(--input-bg);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-gray);
}

.social-btn:hover {
    border-color: var(--text-blue);
    color: var(--text-blue);
}

.social-btn i {
    font-size: 16px;
}

.additional-links {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--input-border);
}

.auth-body.compact .additional-links {
    padding-top: 0;
    border-top: none;
    margin-top: 12px;
}

.additional-links a {
    color: var(--text-blue);
    text-decoration: none;
    font-weight: 400;
    transition: all 0.3s ease;
}

.auth-body.compact .additional-links a {
    font-weight: 500;
}

.additional-links a:hover {
    color: var(--text-blue);
    opacity: 0.8;
}

.additional-links p {
    color: var(--text-gray);
    margin-bottom: 0;
    font-size: 13px;
}

.alert {
    padding: 16px 20px;
    margin-bottom: 20px;
    border-radius: 12px;
    border: none;
    font-weight: 500;
    position: relative;
    animation: slideDown 0.4s ease;
    font-size: 13px;
}

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

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.form-control.is-invalid,
.form-control.username-error {
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.1);
    animation: shake 0.4s ease-in-out;
}

.form-control.username-valid {
    border-color: var(--success);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.invalid-feedback,
.field-error {
    color: var(--error);
    font-size: 12px;
    margin-top: 6px;
    font-weight: 500;
    display: none;
}

.field-error.visible {
    display: block;
}

.form-check {
    margin-bottom: 14px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.form-check-input {
    background-color: var(--input-bg);
    border: 2px solid var(--input-border);
    border-radius: 4px;
    width: 16px;
    height: 16px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--button-blue);
}

.form-check-input:checked {
    background-color: var(--button-blue);
    border-color: var(--button-blue);
}

.form-check-label {
    color: var(--text-white);
    font-size: 12px;
    line-height: 1.4;
    cursor: pointer;
}

.form-check-label a {
    color: var(--button-blue);
    text-decoration: none;
}

.form-check-label a:hover {
    text-decoration: underline;
}

.password-strength {
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 8px;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.password-strength.visible {
    opacity: 1;
    max-height: 200px;
    margin-bottom: 14px;
}

.password-strength h4 {
    color: var(--text-white);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    font-family: 'Poppins', sans-serif;
}

.strength-requirement {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--text-gray);
    transition: color 0.3s ease;
}

.strength-requirement:last-child {
    margin-bottom: 0;
}

.strength-requirement .requirement-icon {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--text-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
    transition: all 0.3s ease;
    font-size: 10px;
    flex-shrink: 0;
}

.strength-requirement.valid {
    color: var(--success);
}

.strength-requirement.valid .requirement-icon {
    background-color: var(--success);
    border-color: var(--success);
    color: white;
}

.password-strength-bar {
    margin-top: 8px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-fill {
    height: 100%;
    width: 0%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.password-strength-fill.weak { background: var(--error); width: 25%; }
.password-strength-fill.fair { background: var(--warning); width: 50%; }
.password-strength-fill.good { background: var(--button-blue); width: 75%; }
.password-strength-fill.strong { background: var(--success); width: 100%; }

@media (max-width: 992px) {
    .auth-card {
        max-width: 450px;
    }
}

@media (max-width: 768px) {

    .auth-card {
        max-width: 100%;
    }
}


    .auth-header {
        padding: 18px 20px 12px;
    }

    .auth-body {
        padding: 12px 20px 18px;
    }

    .welcome-text h1 {
        font-size: 20px;
    }

    .welcome-text p {
        font-size: 13px;
    }

    .form-options {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
        margin-bottom: 14px;
    }

    .social-login {
        gap: 8px;
        margin-bottom: 14px;
    }

    .social-btn {
        width: 36px;
        height: 36px;
    }

    .logo-container img {
        max-width: 70px;
    }
}

@media (max-width: 480px) {
    .welcome-text h1 {
        font-size: 18px;
    }

    .logo-container img {
        max-width: 60px;
    }

    .form-control {
        padding: 12px 14px;
        font-size: 13px;
    }

    .btn-auth {
        padding: 12px 20px;
        font-size: 13px;
        margin-bottom: 14px;
    }

    .social-btn {
        width: 32px;
        height: 32px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.form-control:focus,
.btn-auth:focus,
.password-toggle:focus,
a:focus {
    outline: 2px solid var(--button-blue);
    outline-offset: 2px;
}