/* ============================================
   LOGIN.CSS
   ============================================ */

:root {
    --color-bg-start: #07112b;
    --color-bg-mid: #091640;
    --color-accent: #c9913a;
    --color-accent-light: #d9a34a;
    --color-accent-rgb: 201, 145, 58;
    --color-accent-glow: rgba(201, 145, 58, 0.35);
    --color-accent-border: rgba(201, 145, 58, 0.22);
    --color-accent-soft: rgba(201, 145, 58, 0.12);
    --color-accent-shadow: rgba(201, 145, 58, 0.3);
    --color-grid-line: rgba(201, 145, 58, 0.035);
    --color-radial-overlay: rgba(5, 10, 25, 0.55);
    --color-input-bg: rgba(240, 234, 216, 0.06);
    --color-input-focus-bg: rgba(201, 145, 58, 0.07);
    --color-input-placeholder: rgba(240, 234, 216, 0.3);
    --color-text-primary: #f0ead8;
    --color-text-muted: rgba(240, 234, 216, 0.55);
    --color-error: #e05252;
    --color-error-soft: rgba(224, 82, 82, 0.1);
    --color-error-glow: rgba(224, 82, 82, 0.15);
    --color-success: #48bb78;
    --color-success-soft: rgba(72, 187, 120, 0.08);
    --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.50);
    --shadow-input: 0 0 0 3px var(--color-accent-glow);
    --shadow-btn: 0 6px 24px rgba(201, 145, 58, 0.35);
    --shadow-btn-hover: 0 10px 32px rgba(201, 145, 58, 0.50);
    --shadow-logo: 0 8px 20px var(--color-accent-shadow);
    --font-primary: 'Montserrat', sans-serif;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-logo: 16px;
    --radius-badge: 40px;
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --safe-area-inset-top: env(safe-area-inset-top, 0px);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-inset-left: env(safe-area-inset-left, 0px);
    --safe-area-inset-right: env(safe-area-inset-right, 0px);
}

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

body {
    font-family: var(--font-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(150deg, var(--color-bg-start) 0%, var(--color-bg-mid) 100%);
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
    color: var(--color-text-primary);
    padding-top: max(20px, var(--safe-area-inset-top));
    padding-bottom: max(20px, var(--safe-area-inset-bottom));
    padding-left: max(16px, var(--safe-area-inset-left));
    padding-right: max(16px, var(--safe-area-inset-right));
}

/* Animated Grid Background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: linear-gradient(var(--color-grid-line) 1px, transparent 1px), 
                      linear-gradient(90deg, var(--color-grid-line) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse 75% 65% at 50% 50%, transparent 0%, var(--color-radial-overlay) 100%);
    pointer-events: none;
    z-index: 0;
}

.login-container {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    animation: containerRise 0.6s var(--ease-out) both;
}

@keyframes containerRise {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card {
    background: var(--color-bg-start);
    border-radius: var(--radius-lg);
    padding: 44px 38px;
    border: 1px solid var(--color-accent-border);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(0px);
    transition: padding 0.2s ease;
}

/* Header */
.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    border-radius: var(--radius-logo);
    margin-bottom: 18px;
    font-size: 28px;
    color: var(--color-bg-start);
    box-shadow: var(--shadow-logo);
}

.login-title {
    font-family: var(--font-primary);
    font-size: 26px;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: 4px;
    letter-spacing: -0.5px;
}

.login-subtitle {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
}

.admin-badge {
    display: inline-block;
    background: var(--color-accent-soft);
    border: 1px solid var(--color-accent-border);
    border-radius: var(--radius-badge);
    padding: 4px 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin-top: 12px;
}

/* Alert Messages */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 12px;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    animation: slideDown 0.3s var(--ease-out);
    font-weight: 500;
}

.alert.error {
    background: var(--color-error-soft);
    border-left: 3px solid var(--color-error);
    color: var(--color-error);
}

.alert.success {
    background: var(--color-success-soft);
    border-left: 3px solid var(--color-success);
    color: var(--color-success);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
}

/* Input Wrapper Base */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i:first-child {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-accent);
    font-size: 14px;
    opacity: 0.7;
    pointer-events: none;
    z-index: 1;
}

.form-input {
    width: 100%;
    padding: 13px 16px 13px 38px;
    background: var(--color-input-bg);
    border: 1.5px solid var(--color-accent-border);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    transition: all 0.2s ease;
    outline: none;
}

.form-input:focus {
    border-color: var(--color-accent);
    background: var(--color-input-focus-bg);
    box-shadow: var(--shadow-input);
}

.form-input::placeholder {
    color: var(--color-input-placeholder);
    font-weight: 400;
}

.form-input.error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px var(--color-error-glow);
}

/* Password Input Specific Styles */
.password-input-wrapper .form-input.password-input {
    padding-right: 52px;
    padding-left: 38px;
}

/* Password Toggle Button */
.password-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-accent);
    font-size: 18px;
    opacity: 0.7;
    transition: all 0.2s ease;
    padding: 10px 12px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    border-radius: 8px;
}

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

.password-toggle:active {
    transform: translateY(-50%) scale(0.95);
}

.password-toggle:focus {
    outline: none;
}

.forgot-link {
    text-align: right;
    margin-top: 2px;
}

.forgot-link a {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Submit Button */
.submit-btn {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: var(--color-bg-start);
    box-shadow: var(--shadow-btn);
    transition: all 0.25s ease;
    margin-top: 6px;
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-btn-hover);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Loading Spinner */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-bg-start);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Footer */
.login-footer {
    text-align: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--color-accent-border);
}

.login-footer p {
    font-size: 10px;
    font-weight: 600;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
}

.login-footer i {
    margin-right: 4px;
}

/* ============================================
   2FA SECTION STYLES
   ============================================ */

.twofa-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.twofa-header {
    text-align: center;
    margin-bottom: 24px;
}

.twofa-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.twofa-icon i {
    font-size: 32px;
    color: var(--color-bg-start);
}

.twofa-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.twofa-header p {
    color: var(--color-text-muted);
    font-size: 14px;
}

.twofa-code-input {
    text-align: center;
    font-size: 24px;
    letter-spacing: 8px;
    font-family: monospace;
    padding: 16px !important;
}

.email-display {
    background: var(--color-accent-soft);
    padding: 12px;
    border-radius: var(--radius-md);
    text-align: center;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--color-text-primary);
    border: 1px solid var(--color-accent-border);
}

.email-display strong {
    color: var(--color-accent);
}

/* ============================================
   ENHANCED REMEMBER DEVICE CHECKBOX STYLES
   ============================================ */

.remember-device-wrapper {
    margin: 20px 0;
    padding: 8px 0;
}

.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    position: relative;
    user-select: none;
}

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

.checkbox-custom {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    min-width: 20px;
    background: var(--color-input-bg);
    border: 2px solid var(--color-accent-border);
    border-radius: 6px;
    transition: all 0.2s ease;
    margin-top: 2px;
}

.checkbox-custom i {
    font-size: 12px;
    color: var(--white);
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.2s ease;
}

.checkbox-input:checked + .checkbox-custom {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    border-color: var(--color-accent);
}

.checkbox-input:checked + .checkbox-custom i {
    opacity: 1;
    transform: scale(1);
}

.checkbox-input:focus + .checkbox-custom {
    box-shadow: 0 0 0 3px var(--color-accent-glow);
    border-color: var(--color-accent);
}

.checkbox-container:hover .checkbox-custom {
    border-color: var(--color-accent);
    background: var(--color-input-focus-bg);
}

.checkbox-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-primary);
    line-height: 1.4;
}

.checkbox-label i {
    font-size: 12px;
    margin-right: 6px;
    color: var(--color-accent);
}

.checkbox-hint {
    font-size: 10px;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-left: 18px;
}

/* ============================================
   2FA ACTIONS & BUTTONS
   ============================================ */

.twofa-actions {
    display: flex;
    gap: 12px;
    margin: 20px 0 16px;
}

.twofa-actions button {
    flex: 1;
}

.btn-secondary {
    background: var(--color-accent-soft);
    color: var(--color-accent);
    border: 1px solid var(--color-accent-border);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-accent-border);
    transform: translateY(-1px);
    color: var(--color-text-primary);
}

.btn-secondary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.twofa-resend-container {
    text-align: center;
    margin: 16px 0 8px;
}

.resend-btn {
    background: transparent;
    border: none;
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-primary);
}

.resend-btn:hover:not(:disabled) {
    background: var(--color-accent-soft);
    transform: translateY(-1px);
}

.resend-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Two-Factor Message */
.twofa-message {
    margin-top: 16px;
    padding: 12px;
    border-radius: var(--radius-md);
    font-size: 13px;
    display: none;
    align-items: center;
    gap: 8px;
    animation: slideDown 0.3s var(--ease-out);
}

.twofa-message.error {
    background: var(--color-error-soft);
    color: var(--color-error);
    display: flex;
    border-left: 3px solid var(--color-error);
}

.twofa-message.success {
    background: var(--color-success-soft);
    color: var(--color-success);
    display: flex;
    border-left: 3px solid var(--color-success);
}

.twofa-message.info {
    background: var(--color-accent-soft);
    color: var(--color-accent);
    display: flex;
    border-left: 3px solid var(--color-accent);
}

.twofa-message i {
    font-size: 16px;
}

/* ============================================
    RESPONSIVE MEDIA QUERIES
   ============================================ */

@media (max-width: 600px) {
    body {
        padding: 0;
        padding-top: max(16px, var(--safe-area-inset-top));
        padding-bottom: max(16px, var(--safe-area-inset-bottom));
        padding-left: max(12px, var(--safe-area-inset-left));
        padding-right: max(12px, var(--safe-area-inset-right));
        align-items: center;
        justify-content: center;
    }

    .login-container {
        max-width: 100%;
        margin: 0 auto;
        width: 100%;
    }

    .login-card {
        padding: 32px 20px;
        border-radius: 24px;
    }

    .login-title {
        font-size: 22px;
    }

    .login-logo {
        width: 52px;
        height: 52px;
        font-size: 24px;
    }

    .form-input {
        padding: 11px 14px 11px 38px;
        font-size: 15px;
    }

    .password-toggle {
        padding: 8px 10px;
        min-width: 44px;
        min-height: 44px;
        right: 4px;
    }

    .submit-btn {
        padding: 12px 20px;
    }

    .twofa-icon {
        width: 52px;
        height: 52px;
    }
    
    .twofa-icon i {
        font-size: 26px;
    }
    
    .twofa-header h2 {
        font-size: 20px;
    }
    
    .twofa-code-input {
        font-size: 20px;
        letter-spacing: 6px;
        padding: 14px !important;
    }
    
    .checkbox-label {
        font-size: 12px;
    }
    
    .checkbox-hint {
        font-size: 9px;
        margin-left: 0;
    }
    
    .twofa-actions {
        flex-direction: row;
    }
    
    .twofa-actions button {
        width: 100%;
    }
}

@media (max-width: 400px) {
    .login-card {
        padding: 24px 16px;
    }

    .form-input {
        padding: 10px 12px 10px 36px;
        font-size: 14px;
    }
    
    .twofa-code-input {
        font-size: 18px;
        letter-spacing: 4px;
    }
}

@media (min-width: 601px) and (max-width: 900px) {
    .login-container {
        max-width: 520px;
    }

    .login-card {
        padding: 44px 40px;
    }
}

@media (max-height: 600px) and (orientation: landscape) {
    body {
        align-items: center;
        padding-top: max(12px, var(--safe-area-inset-top));
        padding-bottom: max(12px, var(--safe-area-inset-bottom));
    }
    .login-card {
        padding: 20px 28px;
    }
    .login-header {
        margin-bottom: 16px;
    }
    .login-logo {
        width: 44px;
        height: 44px;
        font-size: 22px;
        margin-bottom: 10px;
    }
    .login-title {
        font-size: 20px;
    }
    .admin-badge {
        margin-top: 6px;
    }
    .twofa-icon {
        width: 44px;
        height: 44px;
    }
    .twofa-icon i {
        font-size: 22px;
    }
}