/*
 * WebVirtCloud Modern Authentication Stylesheet
 * 100% Theme-Compatible: Dynamically inherits Bootswatch & Bootstrap 5 theme variables
 * (colors, typography, radii, alerts, buttons, shadows)
 */

/* ==========================================================================
   Page Layout & Theme Ambient Background
   ========================================================================== */

body:has(.signin-wrapper),
body.signin-page {
    min-height: 100vh;
    margin: 0;
    padding: 0 !important;
    background-color: var(--bs-body-bg, #f8fafc);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(var(--bs-primary-rgb), 0.16) 0%, transparent 60%),
        radial-gradient(circle at 10% 90%, rgba(var(--bs-primary-rgb), 0.06) 0%, transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(var(--bs-primary-rgb), 0.06) 0%, transparent 40%);
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--bs-body-font-family, system-ui, -apple-system, sans-serif);
    color: var(--bs-body-color, #212529);
}

/* Neutralize base.html container wrapper for signin pages */
body:has(.signin-wrapper) > .container,
body.signin-page > .container {
    max-width: 100% !important;
    width: 100%;
    min-height: 100vh;
    padding: 2rem 1rem !important;
    margin: 0 !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

body:has(.signin-wrapper) > .container > .row,
body.signin-page > .container > .row {
    display: none !important;
}

/* ==========================================================================
   Sign In Card Component (Adapts to Light / Dark Themes)
   ========================================================================== */

.signin-wrapper {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.signin-card {
    width: 100%;
    max-width: 440px;
    background-color: var(--bs-card-bg, var(--bs-body-bg, #ffffff));
    border: 1px solid var(--bs-border-color-translucent, var(--bs-border-color, rgba(0, 0, 0, 0.125)));
    border-radius: var(--bs-border-radius-xl, 1.25rem);
    padding: 2.75rem 2.25rem 2rem;
    box-shadow:
        0 20px 40px -15px rgba(0, 0, 0, 0.12),
        0 0 0 1px var(--bs-border-color-translucent, rgba(0, 0, 0, 0.05)),
        0 0 35px -5px rgba(var(--bs-primary-rgb), 0.1);
    color: var(--bs-body-color, #212529);
    animation: signinCardEnter 0.35s ease-out;
}

@supports (backdrop-filter: blur(16px)) {
    .signin-card {
        background-color: rgba(var(--bs-body-bg-rgb, 255, 255, 255), 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }
}

@keyframes signinCardEnter {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ==========================================================================
   Brand & Logo Section
   ========================================================================== */

.signin-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.signin-logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: var(--bs-border-radius-lg, 16px);
    background: var(--bs-primary);
    background: linear-gradient(135deg, var(--bs-primary) 0%, rgba(var(--bs-primary-rgb), 0.85) 100%);
    color: #ffffff;
    font-size: 1.85rem;
    box-shadow:
        0 10px 24px -4px rgba(var(--bs-primary-rgb), 0.42),
        inset 0 1px 1px rgba(255, 255, 255, 0.35);
    margin-bottom: 1.15rem;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.signin-logo-badge:hover {
    transform: translateY(-2px) scale(1.05);
}

.signin-title {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--bs-body-color, #212529);
    margin-bottom: 0.35rem;
}

.signin-subtitle {
    font-size: 0.875rem;
    color: var(--bs-secondary-color, var(--bs-gray-600, #6c757d));
    margin-bottom: 0;
    font-weight: 400;
}

/* ==========================================================================
   Input Groups & Form Controls
   ========================================================================== */

.signin-field-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--bs-body-color, #212529);
    margin-bottom: 0.45rem;
    display: flex;
    align-items: center;
}

.signin-input-group {
    position: relative;
    border-radius: var(--bs-border-radius, 0.375rem);
    background: rgba(var(--bs-body-color-rgb), 0.035);
    border: 1px solid var(--bs-border-color, #dee2e6);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, background-color 0.15s ease-in-out;
    display: flex;
    align-items: stretch;
    overflow: hidden;
}

.signin-input-group:focus-within {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
    background: var(--bs-body-bg, #ffffff);
}

.signin-input-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.875rem;
    color: var(--bs-secondary-color, var(--bs-gray-600, #6c757d));
    font-size: 1.1rem;
    transition: color 0.15s ease-in-out;
}

.signin-input-group:focus-within .signin-input-icon {
    color: var(--bs-primary);
}

.signin-input {
    flex: 1;
    background: transparent !important;
    border: none !important;
    color: var(--bs-body-color) !important;
    padding: 0.75rem 0.875rem 0.75rem 0;
    font-size: 0.95rem;
    outline: none !important;
    box-shadow: none !important;
}

.signin-input::placeholder {
    color: var(--bs-secondary-color, var(--bs-gray-600, #6c757d));
    opacity: 0.65;
}

.signin-toggle-pwd {
    background: transparent;
    border: none;
    color: var(--bs-secondary-color, var(--bs-gray-600, #6c757d));
    padding: 0 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: color 0.15s ease-in-out;
}

.signin-toggle-pwd:hover,
.signin-toggle-pwd:focus {
    color: var(--bs-primary);
    outline: none;
}

.signin-link {
    color: var(--bs-link-color, var(--bs-primary));
    text-decoration: none;
    transition: color 0.15s ease-in-out;
}

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

/* ==========================================================================
   Submit Button
   ========================================================================== */

.btn-signin-submit {
    width: 100%;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    border-radius: var(--bs-border-radius, 0.375rem);
    color: #ffffff;
    background-color: var(--bs-primary);
    border: 1px solid var(--bs-primary);
    box-shadow: 0 4px 14px rgba(var(--bs-primary-rgb), 0.35);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-signin-submit:hover:not(:disabled) {
    background-color: var(--bs-primary);
    filter: brightness(1.08);
    box-shadow: 0 6px 20px rgba(var(--bs-primary-rgb), 0.45);
    transform: translateY(-1px);
    color: #ffffff;
}

.btn-signin-submit:active:not(:disabled) {
    transform: translateY(0);
    filter: brightness(0.95);
    box-shadow: 0 2px 8px rgba(var(--bs-primary-rgb), 0.25);
}

.btn-signin-submit:disabled {
    opacity: 0.75;
    cursor: not-allowed;
}

/* ==========================================================================
   Footer & Status Indicator
   ========================================================================== */

.signin-footer {
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--bs-border-color-translucent, rgba(var(--bs-body-color-rgb), 0.1));
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--bs-secondary-color, var(--bs-gray-600, #6c757d));
}

.pulse-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--bs-success, #198754);
    box-shadow: 0 0 0 0 rgba(var(--bs-success-rgb, 25, 135, 84), 0.7);
    animation: pulseStatus 2s infinite;
    margin-right: 0.45rem;
}

@keyframes pulseStatus {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(var(--bs-success-rgb, 25, 135, 84), 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(var(--bs-success-rgb, 25, 135, 84), 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(var(--bs-success-rgb, 25, 135, 84), 0);
    }
}