/* --- Root Variables --- */
:root {
    --bg-color: #0d0d0d;
    --primary-color: #00f2ea;
    --secondary-color: #a855f7;
    --text-color: #e5e5e5;
    --font-family: "Fira Code", Consolas, "Courier New", Courier, monospace;
    --glitch-anim-duration: 0.5s;
}

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

body {
    background-color: #050505;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: var(--font-family);
}

/* --- Wrapper --- */
.glitch-form-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 1rem;
}

/* --- Card Structure --- */
.glitch-card {
    background-color: var(--bg-color);
    width: 100%;
    max-width: 380px;
    border: 1px solid rgba(0, 242, 234, 0.2);
    box-shadow:
        0 0 20px rgba(0, 242, 234, 0.1),
        inset 0 0 10px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.3);
    padding: 0.5em 1em;
    border-bottom: 1px solid rgba(0, 242, 234, 0.2);
}

.card-title {
    color: var(--primary-color);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 0.5em;
}

.card-title svg {
    width: 1.2em;
    height: 1.2em;
    stroke: var(--primary-color);
}

.card-dots span {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #333;
    margin-left: 5px;
}

.card-body {
    padding: 1.5rem;
}

/* --- Error List --- */
.error-list {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid #ef4444;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    color: #fca5a5;
    font-size: 0.875rem;
    list-style: none;
    font-family: var(--font-family);
}

.login-message {
    padding: .75rem 1rem;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(34, 197, 94, .35);
    background: rgba(34, 197, 94, .1);
    color: #86efac;
    font-size: .78rem;
    line-height: 1.45;
}

.login-message--error {
    border-color: #ef4444;
    background: rgba(239, 68, 68, .12);
    color: #fca5a5;
}

/* --- Form Elements --- */
.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-label {
    position: absolute;
    top: 0.75em;
    left: 0;
    font-size: 1rem;
    color: var(--primary-color);
    opacity: 0.6;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    pointer-events: none;
    transition: all 0.3s ease;
    font-family: var(--font-family);
}

.form-group input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 2px solid rgba(0, 242, 234, 0.3);
    padding: 0.75em 0;
    font-size: 1rem;
    color: var(--text-color);
    font-family: var(--font-family);
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    border-color: var(--primary-color);
}

.form-group input:focus + .form-label,
.form-group input:not(:placeholder-shown) + .form-label {
    top: -1.2em;
    font-size: 0.8rem;
    opacity: 1;
}

.form-group input:focus + .form-label::before,
.form-group input:focus + .form-label::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
}

.form-group input:focus + .form-label::before {
    color: var(--secondary-color);
    animation: glitch-anim var(--glitch-anim-duration) cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.form-group input:focus + .form-label::after {
    color: var(--primary-color);
    animation: glitch-anim var(--glitch-anim-duration) cubic-bezier(0.25, 0.46, 0.45, 0.94) reverse both;
}

@keyframes glitch-anim {
    0%   { transform: translate(0);       clip-path: inset(0 0 0 0); }
    20%  { transform: translate(-5px, 3px); clip-path: inset(50% 0 20% 0); }
    40%  { transform: translate(3px, -2px); clip-path: inset(20% 0 60% 0); }
    60%  { transform: translate(-4px, 2px); clip-path: inset(80% 0 5% 0); }
    80%  { transform: translate(4px, -3px); clip-path: inset(30% 0 45% 0); }
    100% { transform: translate(0);       clip-path: inset(0 0 0 0); }
}

/* --- Button Styling --- */
.submit-btn {
    width: 100%;
    padding: 0.8em;
    margin-top: 1rem;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
    overflow: hidden;
}

.submit-btn:hover,
.submit-btn:focus {
    background-color: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 0 25px var(--primary-color);
    outline: none;
}

.submit-btn:active {
    transform: scale(0.97);
}

.submit-btn .btn-text {
    position: relative;
    z-index: 1;
    transition: opacity 0.2s ease;
}

.submit-btn:hover .btn-text {
    opacity: 0;
}

.submit-btn::before,
.submit-btn::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    background-color: var(--primary-color);
    transition: opacity 0.2s ease;
}

.submit-btn:hover::before,
.submit-btn:focus::before {
    opacity: 1;
    color: var(--secondary-color);
    animation: glitch-anim var(--glitch-anim-duration) cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.submit-btn:hover::after,
.submit-btn:focus::after {
    opacity: 1;
    color: var(--bg-color);
    animation: glitch-anim var(--glitch-anim-duration) cubic-bezier(0.25, 0.46, 0.45, 0.94) reverse both;
}

/* --- Register Link --- */
.register-link {
    text-align: center;
    margin-top: 1.25rem;
    font-size: 0.75rem;
    color: rgba(0, 242, 234, 0.4);
    font-family: var(--font-family);
    letter-spacing: 0.05em;
}

.register-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.1em;
    transition: opacity 0.2s;
}

.register-link a:hover {
    opacity: 0.7;
}

.login-reset-link {
    margin-top: .7rem;
}

@media (prefers-reduced-motion: reduce) {
    .form-group input:focus + .form-label::before,
    .form-group input:focus + .form-label::after,
    .submit-btn:hover::before,
    .submit-btn:focus::before,
    .submit-btn:hover::after,
    .submit-btn:focus::after {
        animation: none;
        opacity: 0;
    }

    .submit-btn:hover .btn-text {
        opacity: 1;
    }
}