:root {
    --primary-blue: #1e60f0;
    --primary-blue-hover: #154ecc;
    --bg-black: #050505;
    --text-white: #ffffff;
    --text-gray: #8c8c8c;
    --glass-bg: rgba(10, 10, 10, 0.5);
    --glass-border: rgba(255, 255, 255, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-black);
    display: flex;
    justify-content: center;
    align-items: center;
}

#particleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.login-container {
    position: relative;
    z-index: 1;
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid var(--glass-border);
    border-radius: 4px; /* Un toque muy leve de redondeo para no ser completamente filoso */
    padding: 64px 48px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8);
    color: var(--text-white);
    animation: fadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(30px);
}

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

.login-header {
    text-align: center;
    margin-bottom: 48px;
}

.logo {
    max-width: 160px;
    height: auto;
    margin-bottom: 32px;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 14px 20px;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.login-header h2 {
    font-size: 24px;
    font-weight: 300;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.login-header p {
    color: var(--text-gray);
    font-size: 13px;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.login-message {
    padding: 14px 16px;
    border-radius: 10px;
    font-size: 13px;
    line-height: 1.4;
    border: 1px solid transparent;
}

.login-message.is-error {
    background: rgba(239, 68, 68, 0.12);
    border-color: rgba(239, 68, 68, 0.35);
    color: #fecaca;
}

.login-message.is-success {
    background: rgba(34, 197, 94, 0.12);
    border-color: rgba(34, 197, 94, 0.35);
    color: #bbf7d0;
}

.input-group {
    position: relative;
    width: 100%;
}

.input-group input {
    width: 100%;
    padding: 10px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    font-size: 15px;
    font-weight: 300;
    outline: none;
    transition: all 0.4s ease;
    border-radius: 0;
}

.input-group input:hover {
    border-bottom-color: rgba(255, 255, 255, 0.4);
}

.input-group input:focus,
.input-group input:valid {
    border-bottom-color: var(--primary-blue);
}

.input-group label {
    position: absolute;
    top: 10px;
    left: 0;
    color: var(--text-gray);
    font-size: 15px;
    font-weight: 300;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-group input:focus ~ label,
.input-group input:valid ~ label {
    top: -18px;
    font-size: 11px;
    color: var(--primary-blue);
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.login-button {
    position: relative;
    background-color: var(--text-white);
    color: var(--bg-black);
    border: none;
    border-radius: 4px;
    padding: 16px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    margin-top: 12px;
}

.login-button:disabled {
    cursor: wait;
}

.login-button .btn-text {
    position: relative;
    z-index: 2;
    transition: color 0.4s ease;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(30, 96, 240, 0.25);
}

.login-button:hover .btn-text {
    color: var(--text-white);
}

.login-button:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(30, 96, 240, 0.15);
}

.btn-ocean {
    height: 12px;
    width: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    background: var(--primary-blue);
    z-index: 1;
    transition: height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-button:hover .btn-ocean {
    height: 100%;
}

.btn-wave {
    background: var(--primary-blue);
    -webkit-mask-image: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/85486/wave.svg);
    mask-image: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/85486/wave.svg);
    -webkit-mask-size: 200px 20px;
    mask-size: 200px 20px;
    -webkit-mask-repeat: repeat-x;
    mask-repeat: repeat-x;
    position: absolute;
    top: -19px;
    width: 800px;
    height: 20px;
    animation: btn-wave 3s cubic-bezier(0.36, 0.45, 0.63, 0.53) infinite;
    transform: translate3d(0, 0, 0);
}

.btn-wave:nth-of-type(2) {
    top: -14px;
    animation: btn-wave 3s cubic-bezier(0.36, 0.45, 0.63, 0.53) -.125s infinite, btn-swell 3s ease -1.25s infinite;
    opacity: 0.6;
}

@keyframes btn-wave {
    0% { margin-left: 0; }
    100% { margin-left: -200px; }
}

@keyframes btn-swell {
    0%, 100% { transform: translate3d(0, -2px, 0); }
    50% { transform: translate3d(0, 2px, 0); }
}

.login-hint {
    margin-top: 24px;
    text-align: center;
    color: var(--text-gray);
    font-size: 12px;
    line-height: 1.5;
}

.login-hint strong {
    color: var(--text-white);
    font-weight: 600;
}