/* ============================================================
   assets/css/login.css - Login Page Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500&display=swap');

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

:root {
    --bg:        #080c14;
    --surface:   #0e1420;
    --border:    #1e2a3a;
    --accent:    #4f8fff;
    --accent2:   #7c3aed;
    --text:      #e8edf5;
    --muted:     #6b7a99;
    --error:     #ff4f6a;
    --success:   #22d3a0;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Animated background */
.bg-grid {
    position: fixed; inset: 0; z-index: 0;
    background-image:
        linear-gradient(rgba(79,143,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79,143,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}

.bg-glow {
    position: fixed; inset: 0; z-index: 0;
    background:
        radial-gradient(ellipse 60% 50% at 30% 20%, rgba(79,143,255,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 80% 80%, rgba(124,58,237,0.08) 0%, transparent 60%);
}

.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 8s ease-in-out infinite;
    z-index: 0;
}
.orb-1 { width:300px; height:300px; background:rgba(79,143,255,0.06); top:-100px; left:-100px; animation-delay:0s; }
.orb-2 { width:400px; height:400px; background:rgba(124,58,237,0.05); bottom:-150px; right:-100px; animation-delay:-4s; }

@keyframes float {
    0%,100% { transform:translate(0,0) scale(1); }
    33%      { transform:translate(30px,-20px) scale(1.05); }
    66%      { transform:translate(-20px,15px) scale(0.95); }
}

.login-wrap {
    position: relative; z-index: 10;
    width: 100%; max-width: 420px;
    padding: 2rem;
}

.brand { text-align:center; margin-bottom:2.5rem; }

.brand-icon {
    width:56px; height:56px;
    background:linear-gradient(135deg,var(--accent),var(--accent2));
    border-radius:16px;
    display:inline-flex; align-items:center; justify-content:center;
    font-size:1.5rem; margin-bottom:1rem;
    box-shadow:0 8px 32px rgba(79,143,255,0.3);
}

.brand h1 {
    font-family:'Syne',sans-serif;
    font-size:1.75rem; font-weight:800; letter-spacing:-0.03em;
    background:linear-gradient(135deg,var(--text),var(--muted));
    -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}

.brand p { color:var(--muted); font-size:0.875rem; margin-top:0.25rem; }

.card {
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:20px; padding:2rem;
    backdrop-filter:blur(20px);
    box-shadow:0 24px 60px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.04);
}

.form-group { margin-bottom:1.25rem; }

.form-group label {
    display:block; font-size:0.8rem; font-weight:500;
    color:var(--muted); text-transform:uppercase;
    letter-spacing:0.08em; margin-bottom:0.5rem;
}

.input-wrap { position:relative; }

.input-icon {
    position:absolute; left:14px; top:50%; transform:translateY(-50%);
    color:var(--muted); font-size:1rem; pointer-events:none;
}

.form-control {
    width:100%; padding:0.75rem 1rem 0.75rem 2.75rem;
    background:rgba(255,255,255,0.03);
    border:1px solid var(--border); border-radius:12px;
    color:var(--text); font-family:'DM Sans',sans-serif;
    font-size:0.95rem; transition:all 0.2s; outline:none;
}

.form-control:focus {
    border-color:var(--accent);
    background:rgba(79,143,255,0.05);
    box-shadow:0 0 0 3px rgba(79,143,255,0.1);
}

/* Feedback visual de validación */
.form-control.input-error  { border-color:var(--error) !important; box-shadow:0 0 0 3px rgba(255,79,106,0.1); }
.form-control.input-ok     { border-color:var(--success); box-shadow:0 0 0 3px rgba(34,211,160,0.08); }
.field-msg { font-size:0.75rem; margin-top:4px; min-height:16px; }
.field-msg.err { color:var(--error); }
.field-msg.ok  { color:var(--success); }

.form-control::placeholder { color:var(--muted); }

.btn-login {
    width:100%; padding:0.85rem;
    background:linear-gradient(135deg,var(--accent),var(--accent2));
    color:white; border:none; border-radius:12px;
    font-family:'Syne',sans-serif; font-size:1rem; font-weight:600;
    cursor:pointer; transition:all 0.2s;
    position:relative; overflow:hidden; margin-top:0.5rem;
}

.btn-login:hover { transform:translateY(-1px); box-shadow:0 8px 24px rgba(79,143,255,0.35); }
.btn-login:active { transform:translateY(0); }
.btn-login:disabled { opacity:0.6; cursor:not-allowed; transform:none; }
.btn-login.loading { pointer-events:none; opacity:0.7; }

.btn-login .spinner {
    display:none; width:18px; height:18px;
    border:2px solid rgba(255,255,255,0.3); border-top-color:white;
    border-radius:50%; animation:spin 0.6s linear infinite; margin:0 auto;
}
.btn-login.loading .spinner { display:block; }
.btn-login.loading .btn-text { display:none; }

@keyframes spin { to { transform:rotate(360deg); } }

.alert {
    padding:0.75rem 1rem; border-radius:10px;
    font-size:0.875rem; margin-bottom:1.25rem;
    display:none; align-items:center; gap:0.5rem;
}

.alert.error {
    background:rgba(255,79,106,0.1);
    border:1px solid rgba(255,79,106,0.2);
    color:var(--error);
}

.footer-note {
    text-align:center; margin-top:1.5rem;
    font-size:0.75rem; color:var(--muted);
}

@keyframes shake {
    0%,100% { transform:translateX(0); }
    20%      { transform:translateX(-8px); }
    40%      { transform:translateX(8px); }
    60%      { transform:translateX(-5px); }
    80%      { transform:translateX(5px); }
}
.shake { animation:shake 0.4s ease; }