/* login.css - Professional Login Page Styling */
/* Matches the design language of the main website */

/* Professional gradient background */
body.bg-light {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #dbeafe 100%) !important;
    min-height: 100vh;
}

/* EKG Background Canvas */
#ekgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Ensure content sits above the EKG canvas */
body.bg-light > .container {
    position: relative;
    z-index: 1;
}

/* Center the login card vertically */
.min-vh-100 {
    padding-top: 0 !important;
    padding-bottom: 2rem;
}

/* Professional Card styling - matches tool-card from index.php */
.card {
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.38) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(226, 232, 240, 0.5) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
}

.card-body {
    position: relative;
}

/* Logo styling */
.card-body img {
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

/* Title styling - matches index.php */
.card-body h2 {
    color: var(--bs-primary) !important;
    font-weight: 700 !important;
}

/* Welcome message styling */
.login-welcome {
    color: #64748b;
    font-size: 0.95rem;
    margin-bottom: 0;
    text-align: center;
}

/* Form control styling - professional and clean */
.form-control {
    background: rgba(248, 250, 252, 0.85) !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 10px !important;
    color: #1e293b !important;
    padding: 12px 16px !important;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control::placeholder {
    color: #94a3b8 !important;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.92) !important;
    border-color: var(--bs-primary) !important;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
    outline: none;
}

/* Checkbox styling */
.form-check-input {
    width: 1.1em;
    height: 1.1em;
}

.form-check-input:checked {
    background-color: var(--bs-primary) !important;
    border-color: var(--bs-primary) !important;
}

.form-check-label {
    color: #64748b !important;
    font-size: 0.9rem;
}

/* Remove hover effect on login checkbox */
.form-check {
    background-color: transparent !important;
    border: none !important;
}

.form-check:hover {
    background-color: transparent !important;
    border: none !important;
}

/* Shake animation for invalid password */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    20%,
    60% {
        transform: translateX(-6px);
    }

    40%,
    80% {
        transform: translateX(6px);
    }
}

.shake {
    animation: shake 0.4s ease-in-out;
}

/* Subtle pulse animation for login button */
@keyframes subtlePulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
    }
    50% {
        box-shadow: 0 6px 24px rgba(13, 110, 253, 0.55);
    }
}

/* Primary button styling - matches site design */
.login-btn-glass {
    width: 100%;
    display: block;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--bs-primary) 0%, #0056b3 100%) !important;
    border: none !important;
    border-radius: 10px !important;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
    transition: background 0.2s ease, transform 0.2s ease;
    color: #fff !important;
    font-weight: 600;
    font-size: 1rem;
    padding: 12px 24px !important;
    animation: subtlePulse 2s ease-in-out infinite;
}

.login-btn-glass:hover {
    background: linear-gradient(135deg, #0056b3 0%, #004494 100%) !important;
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.4);
    transform: translateY(-2px);
}

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

/* Loading state */
.login-btn-glass.loading {
    pointer-events: none;
    opacity: 0.85;
}

/* Loading dots animation */
.loading-dots {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}

.loading-dots span {
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 50%;
    animation: dotPulse 0.6s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
    animation-delay: 0.15s;
}

.loading-dots span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes dotPulse {

    0%,
    100% {
        opacity: 0.4;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* Error message styling */
#errorMessage {
    color: #dc3545 !important;
    background: rgba(220, 53, 69, 0.1);
    padding: 10px 15px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
}

#errorMessage:empty {
    display: none;
}

/* Alert styling */
.alert-danger {
    background: rgba(220, 53, 69, 0.1) !important;
    border: 1px solid rgba(220, 53, 69, 0.2) !important;
    color: #dc3545 !important;
    border-radius: 10px;
}

/* Hide cookie banner on login page */
body.bg-light .cookie-banner {
    display: none !important;
}

/* Decorative accent */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--bs-primary), #0056b3);
    border-radius: 0 0 4px 4px;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .card {
        margin: 1rem;
        border-radius: 12px;
    }

    .card-body {
        padding: 1.5rem !important;
    }

    .login-btn-glass {
        font-size: 0.95rem;
    }
}

.login-btn-glass:hover,
.login-btn-glass:focus,
.login-btn-glass.loading {
    animation: none;
    box-shadow: 0 6px 20px rgba(13, 110, 253, 0.4);
}

/* =====================================================
   Forgot Password - Link & Overlay
   ===================================================== */

.forgot-password-link {
    color: #64748b;
    font-size: 0.85rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Overlay backdrop */
.forgot-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1050;
    align-items: center;
    justify-content: center;
}

.forgot-overlay.active {
    display: flex;
}

/* Overlay card */
.forgot-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 32px;
    width: 90%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    position: relative;
    animation: forgotSlideIn 0.25s ease-out;
}

@keyframes forgotSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Close button */
.forgot-close-btn {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #94a3b8;
    cursor: pointer;
    line-height: 1;
    padding: 4px 8px;
    border-radius: 8px;
    transition: color 0.2s ease, background 0.2s ease;
}

.forgot-close-btn:hover {
    color: #1e293b;
    background: #f1f5f9;
}

/* Description text */
.forgot-description {
    color: #64748b;
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 16px;
}

/* Submit button */
.forgot-submit-btn {
    border-radius: 10px !important;
    font-weight: 600;
    padding: 10px 24px !important;
}

/* Message styles */
.forgot-message {
    font-size: 0.85rem;
    text-align: center;
    padding: 10px 12px;
    border-radius: 8px;
}

.forgot-message:empty {
    display: none;
}

.forgot-success {
    color: #16a34a;
    background: rgba(22, 163, 74, 0.1);
}

.forgot-error {
    color: #dc3545;
    background: rgba(220, 53, 69, 0.1);
}

/* Hint text */
.forgot-hint {
    color: #94a3b8;
    font-size: 0.75rem;
    text-align: center;
}

/* =====================================================
   Dark Mode - Login Page
   ===================================================== */

/* Dark mode background */
[data-theme="dark"] body.bg-light {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%) !important;
}

/* Dark mode card */
[data-theme="dark"] .card {
    background: rgba(30, 41, 59, 0.35) !important;
    border-color: rgba(71, 85, 105, 0.4) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .card:hover {
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.5);
}

/* Dark mode decorative accent */
[data-theme="dark"] .card::before {
    background: linear-gradient(90deg, #60a5fa, #3b82f6);
}

/* Dark mode title */
[data-theme="dark"] .card-body h2 {
    color: #60a5fa !important;
}

/* Dark mode welcome message */
[data-theme="dark"] .login-welcome {
    color: #94a3b8 !important;
}

/* Dark mode form control */
[data-theme="dark"] .form-control {
    background: rgba(15, 23, 42, 0.82) !important;
    border-color: #475569 !important;
    color: #f1f5f9 !important;
}

[data-theme="dark"] .form-control::placeholder {
    color: #64748b !important;
}

[data-theme="dark"] .form-control:focus {
    background: rgba(30, 41, 59, 0.90) !important;
    border-color: #60a5fa !important;
    box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
}

/* Dark mode checkbox - override dark-mode.css .form-check rules (dienstplantool) */
[data-theme="dark"] .form-check {
    background-color: transparent !important;
    border: none !important;
}

[data-theme="dark"] .form-check:hover {
    background-color: transparent !important;
    border: none !important;
}

[data-theme="dark"] .form-check-label {
    color: #94a3b8 !important;
}

[data-theme="dark"] .form-check-input:not(:checked) {
    background-color: #334155 !important;
    border-color: #475569 !important;
}

[data-theme="dark"] .form-check-input:checked {
    background-color: #3b82f6 !important;
    border-color: #3b82f6 !important;
}

/* Dark mode button */
[data-theme="dark"] .login-btn-glass {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

[data-theme="dark"] .login-btn-glass:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

@keyframes subtlePulseDark {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    }
    50% {
        box-shadow: 0 6px 24px rgba(59, 130, 246, 0.6);
    }
}

[data-theme="dark"] .login-btn-glass {
    animation: subtlePulseDark 2s ease-in-out infinite;
}

[data-theme="dark"] .login-btn-glass:hover,
[data-theme="dark"] .login-btn-glass:focus,
[data-theme="dark"] .login-btn-glass.loading {
    animation: none;
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

/* Dark mode error message */
[data-theme="dark"] #errorMessage {
    color: #fca5a5 !important;
    background: rgba(239, 68, 68, 0.15);
}

[data-theme="dark"] .alert-danger {
    background: rgba(239, 68, 68, 0.15) !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
    color: #fca5a5 !important;
}

/* Dark mode logo - add subtle glow */
[data-theme="dark"] .card-body img {
    filter: drop-shadow(0 4px 12px rgba(96, 165, 250, 0.3));
}

/* Dark mode - Forgot Password */
[data-theme="dark"] .forgot-password-link {
    color: #94a3b8;
}

[data-theme="dark"] .forgot-password-link:hover {
    color: #60a5fa;
}

[data-theme="dark"] .forgot-overlay {
    background: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .forgot-card {
    background: #1e293b;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .forgot-card h5 {
    color: #60a5fa !important;
}

[data-theme="dark"] .forgot-close-btn {
    color: #64748b;
}

[data-theme="dark"] .forgot-close-btn:hover {
    color: #f1f5f9;
    background: #334155;
}

[data-theme="dark"] .forgot-description {
    color: #94a3b8;
}

[data-theme="dark"] .forgot-success {
    color: #4ade80;
    background: rgba(74, 222, 128, 0.1);
}

[data-theme="dark"] .forgot-error {
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.15);
}

[data-theme="dark"] .forgot-hint {
    color: #64748b;
}

/* =====================================================
   Defibrillation - Easter Egg
   ===================================================== */

/* Defibrillation Button */
.defi-button {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) scale(0.8);
    z-index: 100;
    display: none;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: #fff;
    background: #dc2626;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 2px 12px rgba(220, 38, 38, 0.3);
    animation: defiPulse 1.5s ease-in-out infinite;
}

.defi-button.active {
    opacity: 1;
    transform: translateX(-50%) scale(1);
}

.defi-button:hover {
    background: #ef4444;
    transform: translateX(-50%) scale(1.03);
}

.defi-button:active {
    transform: translateX(-50%) scale(0.97);
}

@keyframes defiPulse {
    0%, 100% { box-shadow: 0 2px 12px rgba(220, 38, 38, 0.3); }
    50% { box-shadow: 0 2px 20px rgba(220, 38, 38, 0.5); }
}

[data-theme="dark"] .defi-button {
    background: #b91c1c;
    border-color: rgba(255, 255, 255, 0.1);
}

/* Shock Overlay - multi-flash effect */
.shock-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
}

.shock-overlay.active {
    animation: shockFlash 0.8s ease-out forwards;
}

@keyframes shockFlash {
    0%  { opacity: 0; background: rgba(255, 255, 255, 1); }
    5%  { opacity: 1; }
    18% { opacity: 0.15; background: rgba(255, 255, 255, 0.9); }
    28% { opacity: 0.9; background: rgba(255, 240, 240, 0.95); }
    42% { opacity: 0.08; }
    55% { opacity: 0.45; background: rgba(255, 245, 245, 0.9); }
    70% { opacity: 0.1; }
    100% { opacity: 0; }
}

[data-theme="dark"] .shock-overlay.active {
    animation: shockFlashDark 0.8s ease-out forwards;
}

@keyframes shockFlashDark {
    0%  { opacity: 0; background: rgba(147, 197, 253, 0.95); }
    5%  { opacity: 1; }
    18% { opacity: 0.12; background: rgba(96, 165, 250, 0.8); }
    28% { opacity: 0.8; background: rgba(130, 180, 255, 0.85); }
    42% { opacity: 0.06; }
    55% { opacity: 0.35; background: rgba(96, 165, 250, 0.7); }
    70% { opacity: 0.08; }
    100% { opacity: 0; }
}

/* Shock shake - heavy defi jolt */
@keyframes shockShake {
    0%  { transform: translate(0, 0) rotate(0deg); }
    6%  { transform: translate(-14px, 8px) rotate(-1.5deg); }
    14% { transform: translate(12px, -12px) rotate(1.2deg); }
    22% { transform: translate(-10px, 6px) rotate(-0.8deg); }
    30% { transform: translate(8px, -8px) rotate(1deg); }
    40% { transform: translate(-6px, 6px) rotate(-0.6deg); }
    50% { transform: translate(6px, -4px) rotate(0.4deg); }
    62% { transform: translate(-4px, 4px) rotate(-0.3deg); }
    74% { transform: translate(3px, -2px) rotate(0.2deg); }
    86% { transform: translate(-1px, 1px) rotate(-0.1deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}

body.shock-shake {
    animation: shockShake 0.7s ease-out;
}

@media (max-width: 576px) {
    .defi-button {
        bottom: 24px;
        padding: 14px 32px;
        font-size: 1rem;
    }
}