/* static/css/login.css */

    /* ============================================= */
/* ==     THEME & COLOR VARIABLES (UPDATED)   == */
/* ============================================= */
:root {
    /* Color Palette */
    --primary-color: #2c5aa0; 
    --primary-color-rgb: 44, 90, 160; 
    --primary-color-darker: #214070;
    --secondary-color: #62bfe6;
    --secondary-color-rgb: 98, 191, 230; 
    
    /* Text */
    --text-color: #403e3e; 
    --text-muted: #666; 
    --dark-section-text: #ffffff; 
    --footer-text: #ccc; 
    
    /* Backgrounds & Surfaces */
    --background-color: #f6f8fa; /* Updated for auth pages consistency */
    --header-bg: linear-gradient(135deg, #f6ebe6 0%, #e2e9f1 100%); 
    --card-bg: #ffffff; 
    --dark-section-bg: linear-gradient(135deg, #2c5aa0, #1e3f73); 
    --footer-bg: #1a1a1a; 
    
    /* Misc */
    --card-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
    --highlight-gradient: linear-gradient(135deg, var(--secondary-color), #4a9eff); 
    --footer-link-hover: var(--secondary-color); 
    --transition-speed: 0.3s; 

    /* Forms & Other Pages */
    --content-bg-color: var(--card-bg);
    --input-bg-color: #ffffff; 
    --heading-color: #1a2a4d;
    --logo-text-color: var(--primary-color);
    --link-color: var(--primary-color);
    --border-color: #D1D5DB;
    --input-border-color: #cbd5e0;
    --focus-ring-color: rgba(var(--primary-color-rgb), 0.25);
    --danger-color: #dc3545; 
    --font-family: 'Poppins', 'Arial', sans-serif;
}

html[data-theme="dark"] {
    /* --- Dark Mode Color Palette --- */
    --primary-color:  #62bfe6; 
    --primary-color-rgb: 98, 191, 230; 
    --primary-color-darker: #4aadd9; /* Adjusted darker shade */
    --secondary-color: #87CEEB; 
    --secondary-color-rgb: 135, 206, 235;

    /* --- Dark Mode Text --- */
    --text-color: #e0e0e0;
    --text-muted: #a0a0a0; 
    --footer-text: #a0a0a0;
    
    /* --- Dark Mode Backgrounds & Surfaces --- */
    --background-color: #111827; 
    --header-bg: #1e2945; 
    --card-bg:#1e2945; 
    --dark-section-bg: linear-gradient(135deg, #1e2945, #162138); 
    --footer-bg: #161d30; 

    /* --- Dark Mode Misc --- */
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    --highlight-gradient: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    --footer-link-hover: var(--primary-color); 

    /* --- Dark Mode Forms & Other --- */
    --content-bg-color: var(--card-bg);
    --input-bg-color: #314156; 
    --heading-color: #F9FAFB;
    --logo-text-color: var(--primary-color);
    --link-color: var(--primary-color);
    --border-color: #374151;
    --input-border-color: #4A5568;
    --danger-color: #f1aeb5;
}

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

html, body {
    height: 100%;
    font-family: 'Poppins', sans-serif;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
}

.login-page-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 100vh;
    padding: 2rem;
    overflow: hidden;
}

.form-wrapper {
    width: 100%;
    max-width: 480px;
    padding: 2.5rem 3rem;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 2;
}

html[data-theme="dark"] .form-wrapper {
     box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--logo-text-color);
    margin-bottom: 1rem;
    justify-content: center;
}

.logo-image {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    object-fit: cover;
}

.form-wrapper h2 {
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--heading-color);
}

.form-wrapper .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.input-group {
    position: relative;
    margin-bottom: 1.25rem;
}

.input-group .input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    fill: var(--text-muted);
    transition: fill 0.3s ease;
    z-index: 2;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 14px 14px 14px 50px;
    border: 1px solid var(--input-border-color);
    background-color: var(--input-bg-color);
    color: var(--text-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem var(--focus-ring-color);
}


/* Password field specific styling */
.input-group.password-input-group .password-input-field {
    padding-right: 45px; /* Make space for the toggle icon button */
}

.password-toggle-icon {
    position: absolute;
    right: 1px;
    top: 1px;
    bottom: 1px;
    width: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    outline: none;
    z-index: 3; /* Above input field's focus outline */
    color: var(--text-muted);
}

.password-toggle-icon:hover svg.eye-icon {
    fill: var(--primary-color);
}

.password-toggle-icon svg.eye-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: fill 0.2s ease-in-out, transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

/* Advanced Eye Animation */
.password-toggle-icon svg.eye-open circle {
    animation: advanced-eye-movement 12s infinite cubic-bezier(0.45, 0.05, 0.55, 0.95);
    transform-origin: center;
    /* fill: var(--primary-color); /* Optional: make pupil distinct or inherit from icon-color */
    transition: transform 0.2s ease-out;
}

@keyframes advanced-eye-movement {
    0%, 100% { transform: translate(0px, 0px) scale(1); }
    5%, 10% { transform: translate(-1.5px, 0.5px) scale(1.02); } /* Glance left */
    15%, 25% { transform: translate(0px, 0px) scale(1); } /* Pause */
    30%, 35% { transform: translate(1px, -1.2px) scale(1.03); } /* Glance up-right */
    40%, 55% { transform: translate(0px, 0px) scale(1); } /* Longer Pause */
    /* Blink */
    56% { transform: scaleY(0.05) scaleX(1.1) translate(0px, 0px); }
    57% { transform: scaleY(1) scaleX(1) translate(0px, 0px); }
    58% { transform: scaleY(0.05) scaleX(1.1) translate(0px, 0px); }
    59% { transform: scaleY(1) scaleX(1) translate(0px, 0px); }
    59.1%, 70% { transform: translate(0px, 0px) scale(1); } /* Hold after blink */
    /* Slower scan */
    73% { transform: translate(0.8px, 0.2px) scale(1.01); }
    76% { transform: translate(1.2px, 0px) scale(1.02); }
    79% { transform: translate(0.8px, -0.2px) scale(1.01); }
    82% { transform: translate(-0.8px, 0.2px) scale(1.01); }
    85% { transform: translate(-1.2px, 0px) scale(1.02); }
    88% { transform: translate(-0.8px, -0.2px) scale(1.01); }
    91% { transform: translate(0px, 0px) scale(1); } /* Return to center */
    91.1%, 99.9% { transform: translate(0px, 0px) scale(1); } /* Final short pause */
}


/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--text-muted);
}
.remember-me input[type="checkbox"] {
    width: auto;
    padding: 0;
    margin-right: 0.3rem;
    vertical-align: middle;
    accent-color: var(--primary-color); /* Modern way to color checkbox */
}

.forgot-password, .signup-link a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
}
.forgot-password:hover, .signup-link a:hover {
    text-decoration: underline;
}

.login-button {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary-color), color-mix(in srgb, var(--primary-color) 70%, black));
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
html[data-theme="dark"] .login-button {
    background: linear-gradient(135deg, var(--primary-color), color-mix(in srgb, var(--primary-color) 80%, #000));
}
.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--primary-color-rgb), 0.2);
}
html[data-theme="dark"] .login-button:hover {
    box-shadow: 0 8px 25px rgba(var(--primary-color-rgb), 0.15);
}

.signup-link {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* --- Theme Toggle Button (in Nav) --- */
nav {
    position: absolute; /* Changed to absolute for auth pages */
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem;
    display: flex;
    justify-content: flex-end;
    z-index: 1001;
}
.theme-toggle-button {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
    overflow: hidden;
    transform: rotate(0deg) scale(1);
    transition: background-color 0.3s ease, border-color 0.3s ease, transform 0.4s ease-out;
}
html[data-theme="dark"] .theme-toggle-button {
    transform: rotate(360deg) scale(1);
}
.theme-toggle-button:active { transform: rotate(0deg) scale(0.92); }
html[data-theme="dark"] .theme-toggle-button:active { transform: rotate(360deg) scale(0.92); }

.theme-toggle-button svg {
    width: 20px;
    height: 20px;
    fill: var(--text-muted);
    position: absolute;
    top: 50%;
    left: 50%;
    transition: opacity 0.3s ease-in-out, transform 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55), fill 0.3s ease;
}
.theme-toggle-button .sun-icon { opacity: 1; transform: translate(-50%, -50%) rotate(0deg) scale(1); }
.theme-toggle-button .moon-icon { opacity: 0; transform: translate(-50%, -50%) rotate(-90deg) scale(0); }
html[data-theme="dark"] .theme-toggle-button .sun-icon { opacity: 0; transform: translate(-50%, -50%) rotate(90deg) scale(0); }
html[data-theme="dark"] .theme-toggle-button .moon-icon { opacity: 1; transform: translate(-50%, -50%) rotate(0deg) scale(1); }

/* Background Images */
.background-images {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}
.bg-image {
    position: absolute;
    display: block;
    animation: float 15s ease-in-out infinite;
    object-fit: contain;
    transition: opacity 0.3s ease;
    filter: grayscale(0.1) contrast(1.05) brightness(0.95); /* Adjusted filter for subtlety */
}
html[data-theme="dark"] .bg-image {
    filter: grayscale(0.2) contrast(1.1) brightness(0.85);
}
.image-1 { bottom: 10%; right: 5%; width: 70px; height: 70px; animation-duration: 17s; animation-timing-function: cubic-bezier(0.42, 0, 0.58, 1);}
.image-2 { top: 65%; left: 8%; width: 60px; height: 60px; animation-duration: 14s; animation-delay: -2s; animation-timing-function: cubic-bezier(0.39, 0.575, 0.565, 1);}
.image-3 { top: 12%; left: 15%; width: 75px; height: 75px; animation-duration: 16s; animation-timing-function: ease-in-out;}
.image-4 { bottom: 20%; right: 20%; width: 50px; height: 50px; animation-duration: 13s; animation-delay: -1s; animation-timing-function: cubic-bezier(0.68, -0.55, 0.265, 1.55);}
.image-5 { top: 45%; left: 5%; width:65px; height:65px; animation-duration: 18s; animation-delay: -3s; animation-timing-function: ease;}
.image-6 { bottom: 5%; left: 30%; width: 80px; height: 80px; animation-duration: 20s; animation-timing-function: linear;}
.image-7 { top: 10%; right: 35%; width: 55px; height: 55px; animation-duration: 19s; animation-delay: -4s; animation-timing-function: cubic-bezier(0.25, 0.1, 0.25, 1);}
.image-8 { bottom: 70%; right: 10%; width: 70px; height: 70px; animation-duration: 15s; animation-timing-function: ease-in;}
.image-9 { top: 30%; left: 25%; width: 60px; height: 60px; animation-duration: 22s; animation-delay: -5s; animation-timing-function: ease-out;}
.image-10 { top: 80%; right: 12%; width: 70px; height: 70px; animation-duration: 18s; animation-timing-function: cubic-bezier(0.175, 0.885, 0.32, 1.275);}

@keyframes float {
    0% { transform: translateY(0px) rotate(-3deg) scale(1); }
    25% { transform: translateY(-8px) rotate(2deg) scale(1.02); }
    50% { transform: translateY(-15px) rotate(-2deg) scale(1.05); }
    75% { transform: translateY(-8px) rotate(3deg) scale(1.02); }
    100% { transform: translateY(0px) rotate(-3deg) scale(1); }
}

/* Alert Styling */
.alert {
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.3rem;
    font-size: 0.9rem;
    text-align: left;
}
.alert-danger, .invalid-feedback {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}
.alert-success { color: #155724; background-color: #d4edda; border-color: #c3e6cb; }
.alert-warning { color: #856404; background-color: #fff3cd; border-color: #ffeeba; }
.alert-info { color: #0c5460; background-color: #d1ecf1; border-color: #bee5eb; }

.invalid-feedback {
    width: 100%;
    margin-top: .25rem;
    font-size: .875em;
    display: block;
}
.input-group input.is-invalid,
.input-group select.is-invalid,
.input-group textarea.is-invalid,
.file-upload-group.is-invalid {
    border-color: #dc3545 !important;
}
.input-group input.is-invalid:focus,
.input-group select.is-invalid:focus,
.input-group textarea.is-invalid:focus {
    box-shadow: 0 0 0 .2rem rgba(220, 53, 69, .25) !important;
}

/* File Upload Customization */
.file-upload-group {
    display: flex;
    align-items: center;
    width: 100%;
    border: 1px solid var(--input-border-color);
    border-radius: 8px;
    padding-left: 12px;
    transition: border-color 0.3s;
}
.file-upload-group:has(input[type="file"]:focus-visible),
.file-upload-group:hover {
     border-color: var(--primary-color);
}
.file-upload-label {
    flex-grow: 1;
    padding: 14px 14px 14px 0px;
    cursor: pointer;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 1rem;
    line-height: 1.5;
}
html[data-theme="dark"] .file-upload-label {
    color: var(--text-muted);
}
.file-upload-label.has-file {
    color: var(--text-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .form-wrapper {
        padding: 2rem 1.5rem;
    }
    .image-1 { width: 50px; height: 50px; }
    .image-2 { width: 35px; height: 35px; }
    .image-3 { width: 45px; height: 45px; }
    .image-4 { width: 30px; height: 30px; }
    .image-5 { width: 40px; height: 40px; }
    .image-6 { width: 55px; height: 55px; }
    .image-7 { width: 35px; height: 35px; }
    .image-8 { width: 45px; height: 45px; }
    .image-9 { width: 38px; height: 38px; }
    .image-10 { width: 50px; height: 50px; }
}

@media (max-width: 480px) {
    .form-wrapper {
        padding: 1.5rem 1rem;
    }
    .form-wrapper h2 {
        font-size: 1.6rem;
    }
    .form-wrapper .subtitle {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
    }
    .input-group input,
    .input-group select,
    .input-group textarea,
    .file-upload-label {
        font-size: 0.9rem;
        padding-top: 12px;
        padding-bottom: 12px;
    }
    .input-group input { padding-left: 45px; } /* Keep space for icon */
    .input-group.password-input-group .password-input-field { padding-right: 40px; } /* Space for toggle */
    .password-toggle-icon { width: 35px; }

    .login-button {
        font-size: 0.95rem;
        padding: 12px;
    }
    nav { /* Adjust nav padding for very small screens */
        padding: 0.5rem;
    }
    .theme-toggle-button {
        top: 0.5rem;
        right: 0.5rem;
        width: 35px;
        height: 35px;
    }
    .theme-toggle-button svg {
        width: 18px;
        height: 18px;
    }
}